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The Space Transportation System (STS), also known internally to NASA as the Integrated Program Plan (IPP), [1] was a proposed system of reusable crewed space vehicles envisioned in 1969 to support extended operations beyond the Apollo program (NASA appropriated the name for its Space Shuttle Program, the only component of the proposal to ...
Its official program name was Space Transportation System (STS), taken from a 1969 plan for a system of reusable spacecraft where it was the only item funded for development, as a proposed nuclear shuttle in the plan was cancelled in 1972. [1] [2] It flew 135 missions and carried 355 astronauts from 16 countries, many on multiple trips.
Its official program name was Space Transportation System (STS), taken from the 1969 plan led by U.S. Vice President Spiro Agnew for a system of reusable spacecraft where it was the only item funded for development. [7]: 163–166 [8] [9]
Crew Space Transportation System (CSTS), or Advanced Crew Transportation System (ACTS), was a proposed design for a crewed spacecraft for low Earth orbit operations such as servicing the International Space Station, but also capable of exploration of the Moon and beyond.
A reusable space tug was studied by NASA in the late 60s and early 70s as part of a reusable Space Transportation System (STS). This consisted of a basic propulsion module, to which a crew module or other payload could be attached. Optional legs could be added to land payloads on the surface of the Moon. [1]
The Deep Space Transport (DST), also called Mars Transit Vehicle, [6] is a crewed interplanetary spacecraft concept by NASA to support science exploration missions to Mars of up to 1,000 days. [ 4 ] [ 2 ] [ 7 ] It would be composed of two elements: an Orion capsule and a propelled habitation module. [ 3 ]
Commercial Orbital Transportation Services (COTS) was a NASA program to spur the development of private spacecraft and launch vehicles for deliveries to the International Space Station (ISS). Launched in 2006, COTS successfully concluded in 2013 after completing all demonstration flights.
STS-1 (Space Transportation System-1) was the first orbital spaceflight of NASA's Space Shuttle program. The first orbiter, Columbia, launched on April 12, 1981, [1] and returned on April 14, 1981, 54.5 hours later, having orbited the Earth 37 times. Columbia carried a crew of two—commander John W. Young and pilot Robert L. Crippen.