Gemini 2 6 18

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(Redirected from Gemini Titan 2)
Gemini 2
The atmospheric re-entry of Gemini 2 viewed through a pilot's window
Mission typeTest flight
OperatorNASA[1]
Mission duration18 minutes, 16 seconds
Range3,422.4 kilometers (1,847.9 nmi)
Apogee171.1 kilometers (92.4 nmi)
Spacecraft properties
SpacecraftGemini SC2
ManufacturerMcDonnell
Start of mission
Launch dateJanuary 19, 1965, 14:03:59.861 UTC
RocketTitan II GLV,s/n 62-12557
Launch site
End of mission
Recovered byUSS Lake Champlain
Landing dateJanuary 19, 1965, 14:22:14 UTC
Landing site16°36′N49°46′W / 16.600°N 49.767°W
Gemini 3 →

Gemini 2 (Gemini-Titan 2; GT-2)[2] was the second spaceflight of the American human spaceflight program Project Gemini, and was launched and recovered on January 19, 1965. Gemini 2, like Gemini 1, was an uncrewed mission intended as a test flight of the Gemini spacecraft. Unlike Gemini 1, which was placed into orbit, Gemini 2 made a suborbital flight, primarily intended to test the spacecraft's heat shield. It was launched on a Titan II GLV rocket. The spacecraft used for the Gemini 2 mission was later refurbished into the Gemini B configuration, and was subsequently launched on another suborbital flight, along with OPS 0855, as a test for the US Air Force Manned Orbital Laboratory. Gemini spacecraft no. 2 was the first craft to make more than one spaceflight since the X-15, and the only one until Space Shuttle Columbia flew its second mission in 1981.

Mission history[edit]

GLV[edit]

The Titan II/Gemini launch vehicle was dismantled to protect it from two hurricanes in August and September 1964. The second stage of the vehicle was taken down and stored in a hangar on August 26, 1964 in preparation for Hurricane Cleo, and the entire launch vehicle was subsequently dismantled and removed from Cape Kennedy Air Force Station's Launch Complex19 in early September before Hurricane Dora passed over Cape Kennedy on September 9. The Gemini launch vehicle was erected for the final time on 12 September 1964.

The prime and backup crews for Gemini 3, John Young (suited), Wally Schirra, Thomas P. Stafford (in shirtsleeves), and Gus Grissom (suited), practice egress from the Gemini 2 pad, in preparation for the upcoming Gemini 3 flight

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Many ground tests were carried out on the Gemini 2 and Titan rocket in November 1964. On November 24, Gemini-Titan (GT) 2 successfully completed the Wet Mock Simulated Launch, a full-scale countdown exercise which included propellant loading. Procedures for flight crew suiting and spacecraft ingress and egress were practiced during simulated launch. The prime flight crew for Gemini 3 donned pressure suits and full biomedical instrumentation, assisted by their backup crew and the space suit bioinstrumentation and aeromedical personnel who would participate in the GT-3 launch operation. As a result of this practice operation, it was established that all physical examinations, bioinstrumentation sensor attachment, and suit donning would be done in the pilot ready room at Launch Complex 16.

Gemini 2 had been scheduled for launch on December 9, 1964. On that date, the countdown reached zero and the first stage engines were ignited. The launch vehicle's Malfunction Detection System detected technical problems due to a loss of hydraulic pressure and shut down the engines about one second after ignition.

On the second launch attempt on January 19, 1965, Gemini 2 lifted off from Launch Complex 19 at Cape Kennedy at 9:03:59 a.m. EST (14:03:59.861 UTC).

Shortly after launch the Mission Control Center suffered a power outage. Control of the mission was transferred to a tracking ship. The outage was later traced to an overload of the electrical system from the network television equipment used to cover the launch.[3]

Gemini 2 flew a ballistic suborbital arc over the Atlantic Ocean reaching a maximum altitude of 92.4 nautical miles (171.1 km). The spacecraft was run by an onboard automatic sequencer. At 6 minutes 54 seconds after launch, retrorockets were fired. The spacecraft landed 1,847.9 nautical miles (3,422 km) downrange from the launch pad. The flight lasted 18 minutes 16 seconds. The landing was 14 nautical miles (26 km) short of the planned impact point, and 45 nautical miles (83 km) from the recovery aircraft carrier, USS Lake Champlain. The spacecraft was brought aboard the carrier at 15:52 UT (10:52 a.m. EST). Most goals were achieved, except the fuel cells had failed before liftoff and were turned off. The spacecraft cooling system temperature also was found to be too high. The Gemini 2 spacecraft was in excellent condition. Its heat shield and retrorockets functioned as expected. The Gemini 2 mission was supported by 6,562 United States Department of Defense personnel, 67 aircraft, and 16 ships.

Gemini 2 had flight instrumentation pallets installed in the crew cabin, similar to those in Gemini 1.

MOL[edit]

The Gemini 2 reentry module was refurbished and flown again on November 3, 1966 in a test flight for the United States Air ForceManned Orbiting Laboratory program. It was launched on a Titan IIIC rocket on a 33-minute suborbital flight from LC-40 at Cape Kennedy. It is the only Gemini spacecraft to have flown with U.S. Air Force insignia, but there is an unflown Gemini B spacecraft in USAF markings on display at the National Museum of the United States Air Force at Wright-Patterson Air Force Base in Dayton, Ohio.

Gallery[edit]

  • SC2 is launched for a second time aboard a Titan 3C in November 1966, on a suborbital test flight for the USAF MOL project.

  • Gemini 2 instrument pallets (NASA)

  • Gemini 2 spacecraft on display at the Air Force Space and Missile Museum, Cape Canaveral Air Force Station, Florida.

  • Gemini 2 spacecraft on display at the Air Force Space and Missile Museum, Cape Canaveral.

See also[edit]

References[edit]

This article incorporates public domain material from websites or documents of the National Aeronautics and Space Administration.

  1. ^Hacker, Barton C.; Grimwood, James M. (February 2003) [First published 1977]. 'Table of Contents'. On the Shoulders of Titans: A History of Project Gemini. NASA History Division, Office of Policy and Plans. NASA History Series. Washington, D.C.: NASA. NASA SP-4203. Retrieved September 12, 2013.
  2. ^'Gemini 2'. NASA Space Science Data Coordinated Archive (NSSDCA). NASA. 2017. GEMINI2.
  3. ^Chris Kraft, Flight, p. 206.

External links[edit]

Wikimedia Commons has media related to Gemini 2.
  • The Gemini II Reentry Mission - 1965 - NASA on YouTube
  • Gemini II reentry at real speed - HD source on YouTube


Retrieved from 'https://en.wikipedia.org/w/index.php?title=Gemini_2&oldid=994289899'

Year of 2021

Welcome to a very special year, Gemini. Your sign of the Twins is going into 2021 with a fresh outlook and plenty of brilliant moments. The year opens with your home planet entering the electric sign of Aquarius on January 8, adding to these luminescent energies. Your aura is on point, and all who come in contact with you recognize your glow.

There will be plenty of sudden and fated events directly affecting you in a positive way. You'll feel more aligned and present than ever, especially as the nodes of fate cycle directly through your sign. You might be the center of attention as others look to you for words of encouragement through some magically fantastic events that directly involve your wonderful self! If you feel the need to make a change and are ready to jump into your destiny, buckle up and enjoy the ride. You've got a ton going for you in 2021!

Last year's great conjunctions with Jupiter, Saturn, and Pluto in Capricorn were quite heavy on everyone—especially you, because 2020 was extremely tough on your personal eighth house of psychological realms. Many Gemini went through a deep period of depression or some kind of major loss. Even with your dual nature, remaining optimistic could have been tough on you if you were going through several crossroads at once.

These specific conjunctions in 2020 took place between Saturn and Pluto (January 12), Jupiter and Saturn (April 4, June 30, and November 12); and Saturn and Jupiter in Aquarius (December 21), all of which determined last year's energetic fates for the whole world. It wasn't an easy process to cycle through, and really weeded out the strong from the weak. You were tested beyond your limits so that you could get to the other side of the storm. Your air sign is meant to take these lessons forward through your strong ability to communicate. Many Twins might even have changed professions and overall life tracks.

Gemini 2 6 18 54 Sequence

What a year you have ahead of you, Gemini! There is nothing you can't do or accomplish. Even with some snags that you'll hit during the Mercury retrograde phases, you'll learn so much in such a short amount of time. Many Twins may find themselves completely switching it up in general. Maybe you're relocating for a job or new living situation that soothes your soul. Following and trusting your intuitive hunches will be exactly the right move! The upcoming eclipse cycles hold some extremely destined circumstances where everything seems to fall into alignment; however, this can also require you to let go of something that no longer serves your lifestyle.

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2021 Love

Your love life promises to be one of the most interesting pieces of the coming year. You'd better buckle up and get ready for many surprises ahead, because it's going to be a wild ride! This is both true for single and coupled Twins. Any relationship changes that happened last year were destined to happen.

Under the influence of the nodal shifts on May 5, 2020, many Gemini fell out with their partners or came to a very clear understanding regarding what they wanted and didn't want. Last year's eclipses brought some major turning...

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2021 Work

Your career is looking brilliant for the year ahead, Gemini! You have the luxury of looking forward to so many destined events that can help you to stay in alignment with your goals. The universe is conspiring in your favor, and it will be quite a unique experience to witness all the professional gifts that it has to offer. You might even consider picking up and moving for a job that you really love.

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If you've been feeling locked in one place and are ready to break free, 2021 is the year to let your creative spirit take priority. You...

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