Among the 10 most-launched rockets, the most affordable on a per-kilogram basis are SpaceX 's Falcon 9 and Roscosmos ' Proton M, both able to lift 20,000 kilograms (44,092 pounds) or more,. Beyond 10,000 AD A suborbital test flight was conducted in March 2012. Latest blogs 22nd century If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. A suborbital test flight failed in 2006. For 30 years, NASA flew an expensive (high maintenance) marvel. Journey through the history of rocket technology to build excitement for the future of the space economy. This comparison of orbital launch systems lists the attributes of all individual rocket configurations designed to reach orbit. As of 2023, Falcon Heavy has only flown in partially reusable configurations; fully expendable configuration is considered operational in the sense that it is a simplified version of the reusable configuration. The commercial estimates are based on SpaceX's published price and maximum payload information for the Falcon 9 and Dragon capsule. $98.80 Was $134.02 +$0.00 est. All this enabled their development of the Falcon 9, which provides a lower cost per . We recommend Old Reddit with r/SpaceXLounge. To be fair you are comparing hypothetical payload costs to LEO (since neither rocket has flowna mission yet) and you are comparing internal SpaceX costs estimates vs external SLS charges. Subscribe to our newsletter and learn something new every day. Despite the higher launch costs per payload kilogram of ULAs Delta IV and Atlas V, both rockets have been a mainstay of U.S. government launch contracts. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'futuretimeline_net-box-4','ezslot_3',115,'0','0'])};__ez_fad_position('div-gpt-ad-futuretimeline_net-box-4-0');NASA has stated a long-term goal of making LEO accessible for tens of dollars per kilogram by 2040. And granted, the latest published launch costs do seem to show that SpaceX, for example, can put payloads in orbit for just $5,650 per pound -- about half NASA's own cost. Launch costs range from approximately $5000 per kg to LEO to $30,000 per kg to GEO. With the RLV, ISRO is expecting to bring down the cost per launch from the current $5,000 (about Rs 3.33 lakh) per kg to $500 (Rs 33,305) per kg of payload charged to customers. Business & Politics Click on theblackbuttons below to view the available SFR databases. Additionally, one rocket exploded on the launch pad in 2016. Is the listed data inaccurate or outdated? While that's true, SpaceX is their own largest customer, so it's not entirely unfair. The old design paradigm for satellites was multi-year, billion-dollar, school bus-sized projects going to geosynchronous orbit. There are several nascent segments gaining recent momentum, such as in-space manufacturing with several startups pursuing approaches from manufacturing ZBLAN fiber optic cables (e.g. Not all booster stage reusability concepts require vertically landing the rocket. It's getting there, and staying. The rapid development of NewSpace and the expansion of the small satellite market have increased the demand for private launcher companies capable of providing a full range of launch services at an affordable price. They hit their design goals, but flights remain relatively low, like hundreds of flights per year instead of thousands. It has been determined that a sufficiently long cannon could be used to launch acceleration-resistant payloads into space, but no country has yet tried to build one, though a few companies are trying. Each bubble represents a launch vehicle and is sized according to the vehicle's number of successful orbital launches. Home & Leisure This would reduce launch costs by half? Beyond 1 million AD, AI & Robotics This is much less likely now than it was even a year ago though, It only works about as well as F9. Clearly, this makes activities in space expensive. Falcon 9 generates more than 1.7 million pounds of thrust at sea level. The Future of Space Flight Investors at Morgan Stanley have commented on the value of SpaceX + Starlink earlier this week dubbing the launch + satellite product offering a double flywheel of technology development. 9. My wild guess on initial pricing is something around 30 to 40,000,000 per flight which is about what the F9 sells for minus the manufacturing costs. Bringing back the "sea-launch" concept with full-force! Reduced launch prices have opened the New Space frontier of proliferated LEO small satellite mega-constellations that provide Space for Earth services. After subtracting the amount of European Space Agency subsidies to Arianespace, the per . The Falcon Heavy rocket, with reusable side boosters, costs $90 million. If youd like to search within a specific column, use the search box at the bottom of that column. While in the near term, offerings like on-orbit servicing for satellite life extension (Northrop Grumman, Space Logistics), propellant refueling depots (OrbitFab), and space situational awareness benefits the Space for Earth constellation operators, long-term these are the building blocks of a robust Space for Space infrastructure. All other columns in the table will also sort alphabetically. In contrast, it costs some $170 million (150 million) to launch a commercial satellite on an Ariane 5. This is a specifically chosen design goal, it's not just about getting to Mars. Can anyone find a pie chart showing what part of this is so expensive? Search: To search within the entire table, simply type your query into the search area at the top right of the table. For a suborbital trip on Virgin Galactic's SpaceShipTwo and Blue Origin's New Shepard, seats typically cost $250,000 to $500,000. NUMBER OF ENGINES. Carissa Christensen, founder and chief executive officer of consulting firm Bryce Space and Technology, which compiled the FAA report, says theres been a 10 percent to 15 percent drop in launch costs in real terms since 2010, driven in part by SpaceX. It will be true, because it 'must' become true for us to colonize Mars. The rapidly decreasing cost of launch over the past decade largely stems from the decision of Elon Musk's Space Exploration Technologies (SpaceX) to develop a vertically integrated vehicle production line that was more reliable, adaptable, and efficient. When it comes to reliability, ULA has hit it out of the park the Atlas V is the only rocket ever manufactured to boast a 100% mission success rate. Using a market price of $0.10 per kilowatt-hour, what would be the cost of launching a 70-kg adult into LEO? "The Great Escape: SLS Provides Power for Missions to the Moon". After the announcement of the eight per cent . For more information on the different vehicles being manufactured and their corresponding data, please see the individual companies websites. Starship offers a dramatic increase in capacity and an associated predicted decrease in cost. Assuming that rocket fuel costs approximately $100 -$120 per ton whereas Oxygen also costs about $100- $120 per ton. NASAs LEO Opportunities: In-Space Production Applications, in-space manufacturing of large carbon fiber structures. While many point to NASAs Commercial Orbital Transportation Services (COTS) program as what enabled SpaceX to keep going during the early years, its worth noting that SpaceX did compete with ULA for launching DOD payloads too. SLS will cost close to $2 billion marginal cost. The most cost-efficient overall is the 63,800-kilogram-capacity Falcon Heavy, which successfully test-launched earlier this year. Jiang Jie, a rocket scientist with the rocket's developer, the. Society & Demographics Keeping in mind that hydrogen is quite expensive than these two, a typical rocket with 1000 rocket propellant of fuel and oxygen is likely to cost about $100,000. It is able to place about 2300 kg in a reference 700 km-polar orbit. NASA. Due to the nature of this table format, and to ensure that the columns sort properly, a numeric character must be included in each cell. Since this column contains alphabetic characters in many cells, this column will sort alphabetically, not numerically and so the - character has been used to represent unavailable data. Important Note (Companies not Vehicles): This database, and the SpaceFund Reality ratings, are based on COMPANIES, not launch vehicles. kilogram of payload to low Earth orbit (LEO). Each bubble is
It's fully reusable, but ends up being relatively expensive to make, and requires somewhat regular refurbishment. Orbit: NASA's Space-Shuttle Program Endsif(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'futuretimeline_net-banner-1','ezslot_2',116,'0','0'])};__ez_fad_position('div-gpt-ad-futuretimeline_net-banner-1-0'); Comparison of orbital launch systems Wikipedia, Much Lower Launch Costs Make Resupply Cheaper Than Recycling for Space Life Support, https://en.wikipedia.org/wiki/Falcon_Heavy, Article from 2000, discussing the potential for 2040: No, both $ numbers are internal costs, SLS is not for sale, it's owned by NASA and the cost # is what NASA has to pay to launch it, so it's entirely appropriate to compare it to what SpaceX has to pay to launch a Starship. The last one is where you get the $13/kg number, but it doesn't really matter if it's $10 or $20 or $30. Other advances in the future may include lighter materials, the use of inflatable modules, new fuel types, space planes and/or more efficient engines. The following chart shows the number of launch systems developed in each country, and broken down by operational status. In June 2020, Redwire acquired Made-in-Space, a provider of additive manufacturing capabilities on orbit. The projections in this article use this assumption, with launch costs and prices dropping while profit margins slightly increase for all vehicle classes. The Ariane 5 is to be succeeded by the Ariane 6 in 2020 or 2021. The Saturn V made 13 launches, 12 of which reached the correct orbits, and the other (, There are many different methods. From its founding in 2002 to its first launch attempt in May 2006, SpaceX spent about $100 million developing the Falcon 1 rocket, which had a comparable lift capacity as LauncherOne of about one . Its annual budget allocation this year is $1.4 billion. charts background to return to these instructions. 2. Launch costs have been pretty much the same since the earliest days of space exploration, mostly due to an unchanging underlying technology: chemical rockets. And instead of developing the Merlin engines from clean-sheet, SpaceX leveraged an existing NASA design: the Fastrac engine. Which is still a major improvement, but not nearly enough to hit Spacex's goals. Launch cost per kilogram to LEO versus first launch date. [note 4]. The corresponding . Increased to 10,000 kg if all boosters land on drone ships. Whats exciting is that they are working to do that again! But CNBC noted in 2020 that the United States Air Force contracts paid around $95 million per Falcon 9. Designed by NASA to be low-cost and reusable, BryceTechs 2020 Orbital Launch Year in Review report, Shuttles turn-around time was 24 months, RocketLab plans to catch Electron first stages with helicopters soon, NASA is gearing up to test the inflatable heat shield in 2022, Quilty Analytics report on Emerging Technologies for DIU. These companies and their launch vehicles are in various stages of development, with some (such as SpaceX, RocketLab, and ULA) already in regular operation, while many new companies don't yet have financing or hardware. Where in the space economy ecosystem does one draw the line to think about Space for Space? Learn more about how
Harbaugh, Jennifer (9 July 2018). The cost per kilogram of Starship for low-earth orbit is $10 compared to $65,400 for the 1981-debuted Space Shuttle Columbia, which was the most expensive among the five launch vehicles Science . The first medieval rockets were solid-fuel rockets powered by gunpowder; they were used by the Chinese, Indians, Mongols and Arabs, in warfare as early as the 13th century. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Per todays stats on SpaceXs website, they have flown the Falcon 9 rocket on 125 missions, with 85 booster landings and 67 re-flown rockets. Examples of Space for Space include on-orbit refueling, in-situ resource utilization, and the establishment of a human far-off-world permanent presence. Two decades ago, vigorous discussion abounded regarding the performance hit of designing for reusability, canceling any cost benefits. Of course, SpaceX has a goal for increased repetition rate with Starship, but to get there will require improvements in its tile thermal protection system. To view and interact with our full dataset, please view on a desktop
Data & trends For example, the cost per launch of a PSLV rocket is $18 million to $28 million, the cost per launch of GSLV is $47 million, and GSLV Mark III is $51 million. Rocket variants are not distinguished; i.e., the Atlas V series is only counted once for all its configurations 401431, 501551, 552, and N22. OIG begins its estimate with the total NASA has awarded SpaceX and Boeing since 2014, rounding it to $2.5 billion for the former and $4.3 billion for the latter. Prime Movers Lab invests in breakthrough scientific startups founded by Prime Movers, the inventors who transform billions of lives. When the space shuttle was in operation, it could launch a payload . Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Lets unpack that statement a little. Click on a bubble to learn more about a vehicle. ULA had a monopoly on U.S. military space launches for more than a decadeuntil 2016, when SpaceX won an Air Force contract. Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world. Similar to Zhuque-1 launch four years ago", "5 Indian space startups to watch in 2023", "Russian space corporation unveils planned "Amur" rocketand it looks familiar", "Northrop Grumman Teams with Firefly Aerospace to Develop Antares Rocket Upgrade and New Medium Launch Vehicle", "Ariane 6 User's Manual Issue 1 Revision 0", "Bloostar Launch Vehicle Payload User's Guide", "Exclusive: Maritime Launch Services Selects Nova Scotia Site for Spaceport Over 13 Other Locations", "Precious Payload allies with Maritime Launch + adds Canada's 1st commercial spaceport to the Launch.ctrl marketplace for smallsat interests SatNews", "Gilmour Space announces first 'Caravan' rideshare mission to LEO", "JAXA Looks to Launch H3 Rocket on Maiden Flight by Q1 2023", "China to test large solid-fuel rocket engine", "China's super heavy rocket to construct space-based solar power station", "China to develop new series of carrier rockets: expert", "China reveals details for super-heavy-lift Long March 9 and reusable Long March 8 rockets", "China officially plans to move ahead with super-heavy Long March 9 rocket", "PLD Space, la ambicin de lanzar satlites con cohetes reutilizables", "Eutelsat first customer for Blue Origin's New Glenn", "Vulcan Centaur on schedule for first launch in 2022 as New Glenn slips", "China could become a major space power by 2050", "IRGC Launches Satellite Carrier into Space - Politics news", "GAPACTIC-ENERGY's another important goal is to develop the reusable kerosene fueled rocket PALLAS-1, which is now targeted in 2024 for first launch", "Orbex stakes claim to European smallsat launch market", "Meet Ravn Xa fully autonomous, air-launched rocket for small satellites", "German Launch Providers Isar Aerospace and RFA Eye Maiden Launches in 2023 Parabolic Arc", "Second stage static fire engine test moves Skyrora closer to UK launch | SKYRORA", "Preliminary design for Soyuz-5 races to completion", " "-5" 2024 ", "The Great Escape: SLS Provides Power for Missions to the Moon", "Lunar landing restored for Artemis 4 mission", "NASA's Space Launch System: A Capability for Deep Space Exploration", "Rocket Report: Starship flight test slips to 2023; first methane launch is imminent", "FAA delays completion of Starship environmental review", "Avio anticipating Vega C upgrade funding at ESA ministerial, Vega return to flight in March", "Skyroot Aerospace's Mission Prarambh: A closer look at India's first private rocket launch", "ULA Sets Path Forward for Inaugural Vulcan Flight Test", "Russia to launch super-heavy rocket to Moon in 20322035", "Russia charts new roadmap to super-heavy rocket", "Russia Is Now Working on a Super Heavy Rocket of Its Own", "Roscosmos unveils characteristics of super-heavy rockets for flights to the Moon (In Russian)", "Japan's Interstellar Technologies goes full throttle toward small orbital rocket", "LNG-powered rocket offers boost to Japan's private space industry", "Iran's New Space Rocket Could Double As A Nuclear Missile", "China is building a new rocket to fly its astronauts on the moon", "Final launch of Ariane 5 GS completes busy year / Launchers / Our Activities / ESA", NASA, Athena Mission Planners Guide 26 August 2012, "ULA launches two space surveillance satellites for U.S. Space Force", "Iridium satellites closed up for launch on Falcon 9 rocket", "Nissan Heritage Collection online", astronautix.com Kaituozhe-1, also called KY-1, Institute of Space and Astronautical Science (ISAS), astronautix.com, Long March 1, also called CZ-1, astronautix.com, Encyclopedia Astronautica, Molniya 8K78M, astronautix.com, Encyclopedia Astronautica, N-2, "NOTSNIK: The Navy's Secret Satellite Program", "A Small-Rocket Maker Is Running a Different Kind of Space Race", "Astra cancels Rocket 3 to focus on larger vehicle", "Landspace of China to launch first rocket in Q4 2018", "Chinese commercial provider LandSpace launches Weilai-1 on a Zhuque-1 rockets fails to make orbit", Timeline of first Earth observation satellites, R-7 (including Semyorka, Molniya, Vostok, Voskhod and Soyuz), Timeline of first images of Earth from space, https://en.wikipedia.org/w/index.php?title=Comparison_of_orbital_launch_systems&oldid=1142437748, Articles with failed verification from March 2021, Articles with dead external links from August 2017, Articles with permanently dead external links, Short description is different from Wikidata, Articles with unsourced statements from October 2018, Creative Commons Attribution-ShareAlike License 3.0, This Template lists historical, current, and future space rockets that at least once attempted (but not necessarily succeeded in) an orbital launch or that are planned to attempt such a launch in the future, This page was last edited on 2 March 2023, at 10:50. Their goal is an order of magnitude increased cadence by minimizing post-flight inspections and maintenance operations. Download: You can download this table as an Excel or CSV file by using the icons at the top of the table. NASA's contemporary heavy-lift rocket, the Space Launch System (SLS) has a cost over US$21.2 billion in year-of-expenditures dollars 2011-2021. The best way to update your information in this database is. A SpaceX Falcon 9 rocket launches 143 small satellites into orbit from Space Launch Complex 40 at the Cape. Sign up here if you are not already subscribed to our blog. In fact, as announced earlier this week, RocketLab plans to catch Electron first stages with helicopters soon! Delta Heavy's cost per launch is estimated to be $350 million while the cost of each Ariane 5 launch comes to $165 to 220 million. Thats to say nothing of the fuel used to decelerate a returning booster that would have otherwise been used to reach a higher orbit (or carry more payload). Just add F9, and FH to the chart, if you want operational and proven rockets. The top two failure modes were addressed: the bearing technology was upgraded (ceramic ball bearings) and the high-pressure fuel turbine blades were hollowed out to deal with thermal shock induced cracking from the start transient (-400F to 2,000F in a half-second). United Launch Alliance Atlas V 541 at US $ 27,063 per kg to GTO Comparing it with prices per kilogram to LEO given in the @PearsonArtPhoto's answer, this seems to suggest a roughly double and higher the price to Geostationary Transfer Orbit (GTO) than to LEO. These innovations for very small and very large payload vehicles have led to lower costs for the launch industry as a whole. SpaceX's costs are still far . All those hidden cost personnel hours to refurbish contribute to 90% of a reusable vehicles launch costs, as shown in the famous iceberg chart below. Contact us There are three other changes: Ive included medium-lift launch vehicles, made the y-axis a log-scale, and changed the SpaceX-related data points to orange. In 1996, the DC-XA demonstrated a 26-hour turn-around time. While vehicle launch cost is a metric utilized when comparing vehicles, the cost per lb/kg launched is also an important factor that is not always directly correlated with the overall launch vehicle cost. A unit price shows how much the product costs using a standard unit of measurement. A team on a 10-year journey to deliver small satellites to orbit. PARIS Launch-service provider SpaceX's new price chart shows the performance cost incurred when making the Falcon 9 Full Thrust and Falcon Heavy rockets partially reusable. For a fully expendable variant of the rocket, which can lift a theoretical maximum of 64 tons to low-Earth orbit, the price . This probably drops launch prices in to the $500-$1,000/kg range, maybe lower as operations and infrastructure get more efficient? Using that very rough equivalence, the Starship cost of $271.90 per kilogram would work out to a cost of approximately $73,490 per passenger round trip, if they can sell nearly every seat on every launch. For the sake of comparison, here's how ISRO's GSLV Mk III compares to some of the world's best launch vehicles. Budget Rocket Airlines 11. Looks like we could be looking at space tourism real soon. Visiting a space hotel could one day be as routine as a holiday overseas. And still, as a species these are rookie numbers. The cost depends on the rocket, and on the percent capacity of said rocket, but here's a few numbers for you, cost in U.S. dollars/kg to LEO ( Wikipedia *). Public Domain This article incorporates text from this source, which is in the public domain. What we know is $800 million for a SLS core stage without engines. ), Planetary Surface <-> Space (Lunar landers, space elevators for use on the Moon or Mars, etc. It also uses only around $1 per kg on launch energy - significantly less than a traditional rocket launch, and can be operated at high-frequency, with over 10 launches per day. To be fair, the Delta Clipper was a hopper vehicle to demonstrate feasibility for reusable vertical landing rockets it did not reach altitudes or speeds anywhere near those of launch and re-entry. The cost per kilogram in delivering payloads safely to orbit lay at the heart of the friction that prevented private industry from commercializing space. Space Launch System launch cost to LEO: $200,000,000/140,000 kg = 14,286 $/kg Starship's fuel alone probably costs $200,000 let alone anything else. (Military launches cost more.) A useful analogy is to buying a car, where the advertised price is for the no-frills base model, while theres the option of add-ons for additional fees (say, extra boosters to launch a heavier payload). A reusable rocket engine design will carry more safety margin. if we look at the price of comparable launch systems, we can see that in terms of kg delivered to LEO, the Falcon 9 is pretty good. Aerojet Rocketdyne was very proud that they were able to reduce the price for 1 engine to $100 million for the second batch. This is the first installment of ourSpaceFund Reality (SFR) rating. No payload fairing with the Starliner on board", "Pair of Chinese launches put classified and commercial satellites into orbit", "Delta IV Launch Services User's Guide, June 2013", "Rocket Lab Increases Electron Payload Capacity, Enabling Interplanetary Missions and Reusability", "Epsilon a solid propellant launch vehicle for new age", "Falcon 9 launches to orbit 56 Starlink satellitesweighing in total more than 17.4 metric tonsmarking the heaviest payload ever flown on Falcon", "Iridium's SpaceX launch slowed by Vandenberg bottleneck", "Falcon-9 v1.2 (Block 5) (Falcon-9FT (Block 5))", "Launchpad Explosion Destroys SpaceX Falcon 9 Rocket, Satellite in Florida", "Falcon-9 v1.2 (Block 5)(ex) (Falcon-9FT (Block 5)(ex))", "Side boosters landing on droneships & center expended is only ~10% performance penalty vs fully expended. Using a more capable rocket would be overkill even if the theoretical price per kilogram cost is cheaper on a larger rocket: for a 200 kg small sat a $5 million small sat launch is cheaper than a $50 million dedicated Falcon 9 flight. The aim is to double the number of rocket launches per year. An example of data being processed may be a unique identifier stored in a cookie. Have we missed your company? As Elon says. Answer (1 of 8): How much cheaper are SpaceX reusable rockets? Comcast per-month average user data usage is about 300GB/month. The SpaceX website lists the F9 payload to LEO as 13,150kg. The first reusable rocket was the space shuttle. Hell, I'm 6' tall and weighed more than 62kg even when i was pretty underweight for my height. Methodology: The LEO payload and cost-per-launch estimates shown in the first graphic represent the lower end of any ranges provided in the FAA's "The Annual Compendium of Commercial Space Transportation: 2018." The costs for launching a chemical rocket have been reduced somewhat through innovation (private spaceflight) as well as equatorial launch services (such as Sea Launch). Backing breakthrough scientific inventions transforming billions of lives. (Larger payloads can cost more per kilogram because there are fewer alternatives for the harder launches.) This tool helps you do just that. Typical launch costs today are $10,000 US Dollars (USD) to $25,000 USD per kilogram ($4,500 to $11,000 USD per pound), though some countries subsidize space launches, occasionally reducing cost as low as $4,000 USD per kilogram ($1,800 USD per pound). There are debates about the next major enabling technology is it super heavy-lift (scale efficiencies in weight delivery) or a 10x more frequent launch cadence with aircraft-like operations (and of course a reusable second stage)? https://www.nature.com/news/2006/060327/full/news060327-2.html. Cost is only slightly higher than an expended F9, so around $95M", "Geosynchronous Satellite Launch Vehicle (GSLV)", "ISRO developing vehicle to launch small satellites", "GSLV MkIII-M1 Successfully Launches Chandrayaan-2 spacecraft - ISRO", "Crew module Atmospheric Re-entry Experiment (CARE)", "Chinese commercial launch sector nears takeoff with suborbital rocket test", "Chinese rocket company suffers third consecutive launch failure", "A private Chinese space firm successfully launched a rocket into orbit", "Virgin Orbit nears first test flights with air-launched rocket", "New launch vehicles set for test flights from China's Jiuquan spaceport", "Two satellites with secretive missions launched by China", "LM-3A Series Launch Vehicles User's Manual Issue 2011", "China prepares to launch new rockets as part of push to boost space program", "China conducts debut launch of Long March 6", "Minotaur I Space Launch VehicleFact Sheet", "Minotaur-3/-4/-5/-6 (OSP-2 Peacekeeper SLV)", "Minotaur-C, Ground-Launched Space Launch Vehicle", "South Korea's KSLV-II conducts maiden launch", "Chinese startup One Space successfully tests first stage engine for orbital rocket", "Chinese company OneSpace sends OS-X rocket to 40 km in maiden flight", "NASA Awards Launch for Orbital's Pegasus Rocket", "Proton Launch System Mission Planner's Guide, LKEB-9812-1990", "Proton Launch System Mission Planner's Guide Section 2.