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The Bell Aerosystems Company XLR81 (Model 8096) was an American liquid-propellant rocket engine, which was used on the Agena upper stage. It burned UDMH and RFNA fed by a turbopump in a fuel rich gas generator cycle. The turbopump had a single turbine with a gearbox to transmit power to the oxidizer and fuel pumps.
The first Agena-D launch was of KH-4 #7 on June 28, 1963, and a total of 269 Agena-Ds were launched. The Agena-D was used to launch KH-7 GAMBIT and KH-8 Gambit 3 reconnaissance satellites, three Mariner probes to Venus and the two Mariner space probes to Mars. Thor-Agena flew for the last time in 1972 when it launched a KH-4B satellite.
The Agena Target Vehicle (/ ə ˈ dʒ iː n ə /; ATV), also known as Gemini-Agena Target Vehicle (GATV), was an uncrewed spacecraft used by NASA during its Gemini program to develop and practice orbital space rendezvous and docking techniques, and to perform large orbital changes, in preparation for the Apollo program lunar missions. [1]
Defense Secretary Pete Hegseth ordered an immediate pause on gender-affirming medical care procedures for all active-duty service members in a memo that was addressed to senior Pentagon leadership ...
Failure of the Agena's internal timer was also blamed for premature ignition of this ullage system in the failed launch of "Discoverer Zero" on January 21, 1959. [ 3 ] The second stage ( S-II ) of the Saturn V rocket used in the American Apollo program used four (originally eight) ullage motors located on the aft interstage skirt.
Related: 9-Year-Old Girl Drowned in Bath While Her Mom Went to Look for Favorite Toy, Officials Say Next door neighbor Gina Khau said she heard “someone screaming” at the property at around 4: ...
The mother of a three-year-old boy who drowned at a water park in 2023, while she allegedly sat nearby and stared at her cell phone, has been indicted by a grand jury in connection with his death.
Engine Origin Designer Vehicle Status Use Propellant Power cycle Specific impulse (s) [a] Thrust (N) [a] Chamber pressure (bar) Mass (kg) Thrust: weight ratio [b] Oxidiser: fuel ratio