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A reusable launch vehicle has parts that can be recovered and reflown, while carrying payloads from the surface to outer space. Rocket stages are the most common launch vehicle parts aimed for reuse. Smaller parts such as rocket engines and boosters can also be reused, though reusable spacecraft may be launched on top of an expendable launch vehicle. Reusable launch vehicles do not need to make these parts for each launch, therefore reducing its launch cost significantly. However, these benefits are diminished by the cost of recovery and refurbishment.
A launch vehicle is typically a rocket-powered vehicle designed to carry a payload from Earth's surface or lower atmosphere to outer space. The most common form is the ballistic missile-shaped multistage rocket, but the term is more general and also encompasses vehicles like the Space Shuttle. Most launch vehicles operate from a launch pad, supported by a launch control center and systems such as vehicle assembly and fueling. Launch vehicles are engineered with advanced aerodynamics and technologies, which contribute to high operating costs.
Vertical takeoff, vertical landing (VTVL) is a form of takeoff and landing for rockets. Multiple VTVL craft have flown. A notable VTVL vehicle was the Apollo Lunar Module which delivered the first humans to the Moon. Building on the decades of development, SpaceX utilised the VTVL concept for its flagship Falcon 9 first stage, which has delivered over three hundred successful powered landings so far.
SpaceX has privately funded the development of orbital launch systems that can be reused many times, similar to the reusability of aircraft. SpaceX has developed technologies since the 2010s to facilitate full and rapid reuse of space launch vehicles. The project's long-term objectives include returning a launch vehicle first stage to the launch site within minutes and to return a second stage to the launch pad, following orbital realignment with the launch site and atmospheric reentry in up to 24 hours. SpaceX's long term goal would have been reusability of both stages of their orbital launch vehicle, and the first stage would be designed to allow reuse a few hours after return. Development of reusable second stages for Falcon 9 was later abandoned in favor of developing Starship. However, SpaceX still developed reusable payload fairings for the Falcon 9.
The Falcon 9 first-stage landing tests were a series of controlled-descent flight tests conducted by SpaceX between 2013 and 2016. Since 2017, the first stage of Falcon 9 rockets are routinely landed if the performance requirements of the launch allow.
An autonomous spaceport drone ship (ASDS) is a modified ocean-going barge equipped with propulsion systems to maintain precise position and a large landing platform. SpaceX developed these vessels to recover the first stage of its launch vehicles. By recovering and reusing these boosters, SpaceX has significantly reduced the cost of space launch.
Starship is a two-stage fully reusable super heavy-lift launch vehicle under development by American aerospace company SpaceX. On April 20, 2023, with the first Integrated Flight Test, Starship became the most massive, tallest, and most powerful vehicle ever to fly. SpaceX has developed Starship with the intention of lowering launch costs using economies of scale, aiming to achieve this by reusing both rocket stages by "catching" them with the launch tower's systems, increasing payload mass to orbit, increasing launch frequency, mass-manufacturing the rockets and adapting it to a wide range of space missions. Starship is the latest project in SpaceX's reusable launch system development program and plan to colonize Mars.
Starship HLS is a lunar lander variant of the Starship spacecraft that is slated to transfer astronauts from a lunar orbit to the surface of the Moon and back. It is being designed and built by SpaceX under the Human Landing System contract to NASA as a critical element of NASA's Artemis program to land a crew on the Moon.
A floating launch vehicle operations platform is a marine vessel used for launch or landing operations of an orbital launch vehicle by a launch service provider: putting satellites into orbit around Earth or another celestial body, or recovering first-stage boosters from orbital-class flights by making a propulsive landing on the platform.
Super Heavy is the reusable first stage of the SpaceX Starship super heavy-lift launch vehicle, which it composes in combination with the Starship second stage. As a part of SpaceX's Mars colonization program, the booster evolved into its current design over a decade. Production began in 2021, with the first flight being conducted on April 20, 2023, during the first launch attempt of the Starship rocket.
Starship is a spacecraft and second stage under development by American aerospace company SpaceX. Stacked atop its booster, the Super Heavy, the pair compose SpaceX's new super heavy-lift space vehicle, also called Starship. The spacecraft is designed to transport both crew and cargo to a variety of destinations, including Earth orbit, the Moon, and Mars. It's designed to be reusable and capable of landing propulsively by firing its engines to perform a controlled descent in the arms of a tower on Earth or with landing legs on other planetary bodies. It is intended to enable long duration interplanetary flights with a crew of up to 100 people. It will also be capable of point-to-point transport on Earth, enabling travel to anywhere in the world in less than an hour. Furthermore, it will be used to refuel other Starship spacecraft, enabling them to reach higher orbits and other space destinations. Elon Musk, the CEO of SpaceX, estimated in a tweet that eight launches would be needed to completely refuel a Starship in low Earth orbit, enabling it to travel onwards.
Starship flight test 4 was the fourth flight test of the SpaceX Starship launch vehicle. The prototype vehicles flown were the Starship Ship 29 upper-stage and Super Heavy Booster 11. SpaceX performed the flight test on June 6, 2024.
Starship flight test 5 was the fifth flight test of a SpaceX Starship launch vehicle. The prototype vehicles flown were the Starship Ship 30 upper-stage and Super Heavy Booster 12.
Starship flight test 6 was the sixth flight test of a SpaceX Starship launch vehicle. The prototype vehicles flown were the Ship 31 upper stage and first stage Booster 13. The flight test started on November 19, 2024, at 22:00:00 UTC.
Starship flight test 7 will be the seventh flight test of a SpaceX Starship launch vehicle. The prototype vehicles expected to be flown are Ship 33, the first Block 2 upper stage, and Booster 14, a Block 1 vehicle.
References
- ↑ McCrea, Aaron (November 27, 2024). "Starbase continues its rapid pace of advancement after Starship Flight 6". NASASpaceFlight.com. Retrieved November 28, 2024.
- ↑ Bergin, Chris (October 9, 2024). "Starship readying for Flight 5 amid future preparations". NASASpaceFlight.com. Retrieved October 9, 2024.
- ↑ "Successful ocean landing of Starship!".
We will do one more ocean landing of the ship. If that goes well, then SpaceX will attempt to catch the ship with the tower.
- ↑ Robinson-Smith, Will (November 8, 2024). "SpaceX targets Starship Flight 6 launch on November 18". Spaceflight Now. Retrieved November 12, 2024.
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