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Topic: Agena Target Vehicle

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	Gemini Agena Target Vehicle
		To provide the Gemini spacecraft with a rendezvous and docking target, Agena D rocket stages were modified with the addition of a docking collar, status panel display, and restart capabilities for the Gemini program.
		The Gemini-ATV Status Panel (ASP), was mounted on the forward end of the Target Docking Adapter of the Agena Target Vehicle where it was visible to the astronauts in the Gemini spacecraft during and after the docking maneuver.
		Originally, only eight Agena parameters were to be displayed in the Gemini spacecraft; however, the number of parameters increased to the point that the spacecraft no longer had the space or weight capability to accommodate them.
	www.astronautix.com /craft/gemhicle.htm (1303 words)

	Project Gemini - A Chronology. Part 3 (B)
		GATV 5003 was to be the target vehicle for Gemini VIII.
		Gemini Agena target vehicle 5005 was mated to the target docking adapter (TDA) in Hanger E at Cape Kennedy.
		The Gemini Agena target vehicle (GATV) attained a near-circular, 162- by 157-nautical-mile orbit.
	www.hq.nasa.gov /pao/History/SP-4002/p3b.htm (9471 words)

	WallySchirra.Com - Gemini VI-A
		Due to a Gemini Agena target vehicle (GATV) propulsion failure on 25 Oct, 1965 the mission was rescheduled.
		The Agena target vehicle Gemini Agena target vehicle GATV-5002 and TLV 5301 with which the Gemini-VI-A was to rendezvous and dock, failed to go into orbit.
		The mission was intended to perform the first rendezvous and docking between different spacecraft, a vital prerequisite for missions to the moon, but the unmanned Agena target for Gemini 6 failed to reach orbit on October 25, 1965.
	www.wallyschirra.com /gemini.htm (1026 words)

	Space Mission Patches - Gemini Index
		Originally intended to rendezvous with an Agena target vehicle, that plan was scrapped when the Agena launch failed.
		Neither of the primary objectives of the mission were accomplished: the planned docking was foiled by a launch shroud which had not properly separated from the target spacecraft; and the ambitious plan for Cernan's spacewalk proved too difficult to complete.
		The crew accomplished a docking with their Agena target on their first orbit, a capability that needed to be proven for Apollo.
	www.genedorr.com /patches/IndexGe.html (493 words)

	Gemini XI - From www.DickGordon.com
		Conrad and Gordon had completed the required rituals and headed toward pad 19 and their spacecraft when they heard that the Atlas (which would launch the Gemini Agena Target Vehicle), only 1,800 meters away, was having a problem with its autopilot.
		For the first objective to be met (a first-orbit rendezvous with the Agena) they had to launch the Gemini spacecraft within two seconds of the launch of the Agena.
		After five spacecraft maneuvers were made to adjust their orbit, the Agena, whose blinking lights they had been watching in the darkness, flashed into the sunlight over the Pacific and almost blinded them.
	www.dickgordon.com /GeminiXIPrint.html (1996 words)

	Agena Target Vehicle - Wikipedia, the free encyclopedia
		The Agena Target Vehicle was designed to develop and practice orbital rendezvous and docking in space, in preparation for the lunar mission.
		The ATV consisted of the Lockheed Agena spacecraft and the McDonnell docking adapter.
		The Agena was launched from AMR (Cape Canaveral) Complex 14 on top of a Convair Atlas booster.
	en.wikipedia.org /wiki/Agena_Target_Vehicle (418 words)

	Spaceflight :Project Gemini
		The targets for rendezvous operations were uncrewed Agena upper stages, which were launched ahead of the Gemini.
		Gemini 1 made 64 orbits and confirmed that the Titan II launch vehicle and the spacecraft were compatible.
		The Gemini VI flight, scheduled for launch on October 25, 1965, was scrubbed when the Agena target spacecraft with which the crew had planned to rendezvous and dock exploded during its launch.
	www.centennialofflight.gov /essay/SPACEFLIGHT/gemini/SP18.htm (1912 words)

	A Stellar Rendezvous
		The first objective was to achieve rendezvous and docking of two vehicles in orbit and to maneuver the two spacecraft using the target vehicle's propulsion system.
		The target vehicle was a standard Agena, modified to permit docking with the Gemini spacecraft.
		As a result of the successful modifications made to the Agena target vehicle, on January 16, 1966, GATV-5003 was given the green light for launch in conjunction with the upcoming Gemini 8 mission.
	www.aero.org /publications/crosslink/winter2003/03.html (4289 words)

	Sandcastle V.I. - Spaceflight Directory - Gemini Flight Details
		Mission Highlights: Because of the launch failure of the Agena rocket intended as a rendezvous target for Gemini 6, the Gemini 7 long-duration mission was flown first.
		However, once in orbit, the crew found that the nose cone of the target vehicle had failed to separate completely, giving the appearance of open jaws.
		Mission Highlights: The crew docked with an Agena target vehicle, then used the Agena's main engine to boost their orbit to over 800 miles altitude, the highest to date for a manned flight.
	www.sandcastlevi.com /space/gem-00.htm (785 words)

	The Gemini SpaceCraft
		The target they selected was the Agena D rocket because it had an excellent performance record for achieving precise orbits, and it had excellent control and stabilization abilities.
		Gemini 1 was used to confirm the compatibility of the Titan 2 launch vehicle and the Gemini spacecraft.
		After successfully talking with the Agena target for 20 minutes, the two craft began to tumble violently and pilot Neil Armstrong was unable to regain control.
	library.thinkquest.org /10122/data/EHSGEIN.HTM (1640 words)

	NSSDC Master Catalog Display: Spacecraft
		During the target vehicle ascent manuever, 140 seconds after primary propulsion system initiation, a 30-psi drop occuerred in thrust chamber pressure for 1 second, then returned to normal for the remaining 42 seconds of firing.
		The Gemini Agena Target Vehicle was designed to be launched into Earth orbit prior to a Gemini mission and used for rendezvous and docking practice.
		The primary and secondary propulsion systems were at the back end of the target vehicle with the attitude control gas tanks and the main propellant tanks.
	nssdc.gsfc.nasa.gov /database/MasterCatalog?sc=1966-103A (548 words)

	Rendezvous \| Macmillan Space Sciences
		On the next flight, Neil Armstrong and David Scott successfully docked with an Agena target vehicle six and a half hours after liftoff, but the flight of Gemini 8 was cut short because of problems with Gemini's control system.
		James Lovell and Edwin "Buzz" Aldrin docked with the Agena on the third orbit, largely by visual means, and Aldrin set an EVA record of five and a half hours for a single space walk.
		Gemini 12 also performed tethered operations with its Agena target vehicle, but docking maneuvers were canceled because of a propulsion anomaly during the target vehicle's insertion into orbit.
	www.bookrags.com /research/gemini-spsc-03/rendezvous-spsc-03.html (1239 words)

	Project Gemini - Free net encyclopedia (Site not responding. Last check: 2007-10-24)
		It could also dock with other spacecraft--one of which, the Agena Target Vehicle, had its own large rocket engine which was used to perform large orbital changes.
		To effect rendezvous and docking with other orbiting vehicles, and to maneuver the docked vehicles in space, using the propulsion system of the target vehicle for such maneuvers.
		When the original Gemini VI mission was scrubbed because its Agena target for rendezvous and docking failed, Gemini VII was used for the rendezvous instead.
	www.netipedia.com /index.php/Gemini_program (2436 words)

	Gemini Spacecraft - Projects Gemini
		On Gemini 10 Young and Collins first rendezvoused with their primary Gemini 10 Agena target and later with the Gemini 8 Agena target.
		Mike Collins was the first crewman to lose a camera in space during a space walk to the Agena rendezvous target vehicle during the Gemini 10 mission.
		Gemini XII - Gemini XII Rendezvoused and docked with Agena target vehicle.
	www.aerospaceguide.net /spaceexploration/gemini.html (1057 words)

	On The Shoulders of Titans - Ch13-2
		The Gemini Agena target vehicle (GATV) was pacing the program by mid-1965, prompting GPO to consider removing the first production model, GATV 5001, from its job as a test vehicle so it could be used in Gemini VIII.
		An hour after the Agena failure of 25 October 1965, Mission Director William Schneider had left Houston for Florida, where Colonel John B. Hudson, SSD Deputy Commander for Launch Vehicles, had called a meeting of a subpanel of the Agena Flight Safety Review Board for the 26th.
		The problem was rooted in NASA's original specification for a Gemini target vehicle able to start and stop its main engine five times during a mission, in contrast to the Standard Agena's two-start engine.
	www.hq.nasa.gov /pao/History/SP-4203/ch13-2.htm (1376 words)

	Space Mission Patches - Gemini 6A Patch
		After the failed launch of the Agena target vehicle, and the decision to rendezvous with Gemini 7 instead, the patch was redesigned with the legend "GEMINI 6" in place of the original "GTA-6" legend, and with a second Gemini in place of the Agena.
		After the mission was revised to rendezvous with Gemini 7 instead of the Agena target vehicle, the patch was redesigned with the designation "GEMINI 6" in place of the original "GTA-6", and the outline of a Gemini spacecraft in place of the Agena.
		A reproduction embroidered Gemini 6 patch, with the "GEMINI 6" legend and a Gemini target vehicle.
	www.genedorr.com /patches/Gemini/Ge06.html (407 words)

	SMC Historical Overview Launch Vehicles
		The earliest launch vehicles used by the Air Force were Thor and Atlas missiles modified by the Air Force Ballistic Missile Division and Space Systems Division to serve as space boosters.
		The launch vehicles developed by the Ballistic Missile Division and its successors were used not only by the Air Force but also by the National Aeronautics and Space Administration, created in 1958.
		It is noteworthy that much of this cooperation in developing and using launch vehicles was the result of a carefully considered series of written agreements--initiated in 1959 and expanded during the early 1960s--which made up a National Launch Vehicle Program.
	www.fas.org /spp/military/program/smc_hist/SMCHOV9.HTM (1925 words)

	Agena Target Docking Vehicle during prelaunch preparations at Complex 14
		Agena Target Docking Vehicle during prelaunch preparations at Complex 14
		An Agena Target Docking Vehicle atop its Atlas launch vehicle during prelaunch preparations at Launch Complex 14.
		The Agena will be a rendezvous and docking vehicle for the Gemini 10 space flight.
	www.apolloexplorer.co.uk /photo/html/gt10/10074430.htm (52 words)

	Wikinfo \| Agena
		It was also used by the manned Gemini program to practice rendezvous and docking.
		Extensive information about Agena is hard to come by; perhaps due to its reconnaissance roots.
		Images, some of which are used under the doctrine of Fair use or used with permission, may not be available.
	www.wikinfo.org /wiki.php?title=Agena (320 words)

	Gemini Agena target vehicle 5003 systems exercised.
		Following the early termination of Gemini VIII, Gemini Agena target vehicle (GATV) 5003 remained in orbit, where its various systems were extensively exercised.
		The main engine was fired nine times, four more than required by contract, and 5000 commands were received and executed by the command and communications system, as against a contractural requirement of 1000.
		Before that, however, all attitude control gas was vented overboard to preclude errant thruster malfunction, and the vehicle was placed into a 220-nautical mile circular decay orbit, one of the secondary objectives of the Gemini VIII mission.
	www.astronautix.com /details/gem21782.htm (161 words)

	Agena Target Docking Vehicle liftoff prior to Gemini 8 launch (Site not responding. Last check: 2007-10-24)
		Agena Target Docking Vehicle liftoff prior to Gemini 8 launch
		An Agena Target Docking Vehicle atop its Atlas launch vehicle lifted off Launch Complex 14 at Cape Kennedy at 10 a.m.
		The Agena served as a rendezvous and docking vehicle for the Gemini 8 spacecraft.
	www.apolloexplorer.co.uk /apolloexplorer/photo/html/GT8/10074303.htm (74 words)

	John F. Kennedy Space Center - The Gemini Flight Summary
		When the Gemini VI mission was scrubbed because its Agena target for rendezvous and docking failed, Gemini VII was used for the rendezvous
		Rescheduled from May to rendezvous and dock with augmented target docking adapter (ATDA) after original Agena target vehicle failed to orbit.
		Rendezvoused and docked with its target Agena and kept station with it during EVA.
	www-pao.ksc.nasa.gov /kscpao/history/gemini/flight-summary.htm (342 words)

	NSSDC Master Catalog Display: Spacecraft
		The 3-day mission was designed to achieve a first orbit rendezvous and docking with the Agena target vehicle, to accomplish two ExtraVehicular Activity (EVA) tests, to perform docking practice, docked configuration maneuvers, tethered operations, parking of the Agena target vehicle and demonstrate an automatic reentry.
		Five spacecraft maneuvers were made to rendezvous with the Gemini Agena Target Vehicle 11 (GATV-11) at 11:07 a.m.
		The next task, detaching one end of the 30 meter tether from the Agena and attaching it to the Gemini spacecraft docking bar, proved to be exhausting and overstressed Gordon's life support system.
	nssdc.gsfc.nasa.gov /database/MasterCatalog?sc=1966-081A (1710 words)

	gemini08
		1st dual launch and docking with Agena, mission curtailed by short circuit in Orbital Attitude Maneuvering System that depleted fuel.
		Agena Target Docking Vehicle seen from Gemini 8 spacecraft during
		Agena Target Docking vehicle seen from Gemini 8 spacecraft.
	www.schicklerart.com /exh/NMA/Gemini/Gemini_08/Gemini_08.html (76 words)

	Gemini Agena Target Vehicle
		After docking, the Agena had sufficient fuel reserves to boost the Gemini into high earth orbits, to the edge of the radiation belts.
		16 March 1966 Gemini 8 Agena Target Program: Gemini.
		12 April 1966 Gemini Agena target vehicle 5005 completed modification and final assembly with the installation of a number of electrical and electronic components for which it had been waiting.
	www.friends-partners.org /partners/mwade/craft/gemhicle.htm (262 words)

	Gemini 9 Heatshield Plug Presentation (Site not responding. Last check: 2007-10-24)
		Once again, the Agena target vehicle exploded after takeoff and a similar, but less versatile backup target vehicle was launched instead.
		Furthermore, mechanical problems allowed only a rendezvous with the target instead of the planned docking.
		The EVA uncovered more problems with space suit design, yet lasted a record two hours and eight minutes.
	www.countdowncreations.com /flowngt9p.htm (153 words)

	Neil's Place - Agena Target Docking Vehicle Seen From Gemini 8 (Site not responding. Last check: 2007-10-24)
		Agena Target Docking Vehicle Seen From Gemini 8
		Title: Agena Target Docking vehicle seen from Gemini 8 spacecraft
		The Agena Target Docking vehicle seen from the Gemini 8 spacecraft during rendezvous in space.
	www.bway.net /~nboemio/nasa/10074310.htm (44 words)

	The Official Dick Gordon Web Site - www.DickGordon.com
		To achieve a first orbit rendezvous and docking with the Agena target vehicle.
		Perform docking practice, docked configuration maneuvers, tethered operations and parking of the Agena Target Vehicle.
		Synergistic effect of zero-g and radiation on white blood cells.
	www.dickgordon.com /GeminiXI.shtml (332 words)

	NASA - Gemini
		A stuck thruster forced Armstrong to improvise and cut the mission short, but the docking laid crucial groundwork for the moon missions to come.
		Once the Agena was in orbit, Gemini 11 rendezvoused and docked with it.
		On May 25, 1961, three weeks after Mercury astronaut Alan Shepard became the first American in space, President John F. Kennedy announced the goal of sending astronauts to the moon before the end of the decade.
	www.nasa.gov /mission_pages/gemini (347 words)

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