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OTV-6 is the third mission for the first X-37B built, and the sixth X-37B mission overall. It flew on an Atlas V in the 501 configuration, and launched from Cape Canaveral Space Launch Complex 41. [4] This flight is the first time the space plane has been equipped with a service module to carry additional pieces for experiments.
The sixth X-37B mission (OTV-6), U.S. Space Force 7 (formerly known as AFSPC 7), launched on an Atlas V 501 rocket from Cape Canaveral SLC-41 on 17 May 2020 at 13:14:00 UTC. [95] This mission is the first time the spaceplane has carried a service module, a ring attached to the rear of the vehicle for hosting multiple experiments. [96]
OTV-7 is the fourth mission for the second X-37B built, and the seventh X-37B mission overall. It was flown on a Falcon Heavy in the expendable center core-recoverable side cores configuration, and launched from Kennedy Space Center Launch Complex 39A.
The first flight was expected to include an Atlas V rocket integrated with an uncrewed CST-100 capsule, [34] the second flight an in-flight launch abort system demonstration in the middle of that year, [35] and the third flight a crewed mission carrying two Boeing test-pilot astronauts into LEO and returning them safely at the end of 2015. [35]
After completing its mission, OTV-2 deorbited, entered the atmosphere, and landed at Vandenberg Air Force Base on 16 June 2012 at 05:48 PT (12:48 GMT). [2] OTV-2 is the third reusable spaceplane to perform an automated landing after returning from orbit, the first being the Soviet Buran spacecraft in 1988 [16] and the second, its sister craft ...
[2] The launch was the first flight of the Atlas V 501 configuration, [10] and the first in four years to use a 5.4-meter (18 ft) payload fairing. [10] [11] Prior to the installation of the spacecraft, the Atlas rocket was moved to the launch pad and performed a wet dress rehearsal on 2 April 2010. [12]
Mercury-Atlas 6 (MA-6) was the first crewed American orbital spaceflight, which took place on February 20, 1962. [4] Piloted by astronaut John Glenn and operated by NASA as part of Project Mercury , it was the fifth human spaceflight , preceded by Soviet orbital flights Vostok 1 and 2 and American sub-orbital flights Mercury-Redstone 3 and 4 .
USA-277, also referred to as Orbital Test Vehicle 5 (OTV-5), is the third flight of the second Boeing X-37B, an American unmanned vertical-takeoff, horizontal-landing spaceplane. It was launched to low Earth orbit aboard a Falcon 9 rocket from LC-39A on September 7, 2017.