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Apollo 9 (AS-504), the first manned flight with the lunar module (LM-3), was launched from Pad A, Launch Complex 39, KSC, on a Saturn V launch car at 11:00 a.m. Apollo 8 (AS-503) was launched from KSC Launch Complex 39, Pad A, at 7:51 a.m. Apollo 8 was the primary spacecraft to be launched by a Saturn V with a crew on board, and that crew became the first men to fly across the moon.All launch and boost phases had been regular and the spacecraft with the S-IVB stage was inserted into an earth-parking orbit of 190.6 by 183.2 kilometers above the earth. Throughout the remainder of the mission, the crew tracked Pegasus III, NASA’s meteoroid detection satellite tv for pc that had been launched July 30, 1965; took multispectral pictures of the earth; exercised the spacecraft systems; and prepared for reentry. EDT July 18, the crew began a 96-minute shade tv transmission of the CSM and LM interiors, CSM exterior, the earth, probe and drogue removing, spacecraft tunnel hatch opening, food preparation, and LM housekeeping. Began the descent to the moon. During a greater than two-hour umbilical EVA which began at forty two hours 48 minutes, Aldrin hooked up a 100-foot tether from the GATV to the spacecraft docking bar.

The crew jettisoned the docking bar. After McDivitt and Schweickart returned to the CSM, the LM ascent stage was jettisoned. Flight of the AS-204 launch car went as deliberate, with nosecone (replacing the CSM) jettisoned and LM separating. Apollo program administrators attributed success of the mission to careful preplanning of alternate methods to accomplish flight aims within the face of unforeseen occasions. The spacecraft crew was made up of Frank Borman, James A. Lovell, Jr., and William A. Anders. Eleven hours after liftoff, the first midcourse correction elevated velocity by 26.4 kilometers per hour. The remaining second-stage engines shut down at 9 minutes 36 seconds – fifty eight seconds later than planned.The S-IVB engine throughout its first burn, which was normal, operated 29 seconds longer than programmed. During the second-stage (S-II) boost phase, two of the J-2 engines shut down early and the remaining three had been extended roughly one minute to compensate. CM, apex heatshield, and one main parachute have been recovered by the service U.S.S. They determined that the issue was one of steerage software solely (and not a fault in hardware design) and pursued an alternate mission plan that ensured meeting the minimum necessities crucial to achieve the primary targets of the mission.

Apparently oscillations induced by the launch automobile exceeded the spacecraft design criteria.The second-stage (S-II) burn was normal till about 4 minutes 38 seconds after liftoff; then difficulties have been recorded. Bennington Main goals of the mission were to show the structural and thermal integrity of the area car and to verify adequacy of the Block II heatshield design for entry at lunar return circumstances. Charring of the thermal safety was about the same as that experienced on the Apollo four spacecraft (CM 017).Of the 5 main aims, three – demonstrating separation of launch vehicle phases, efficiency of the emergency detection system (EDS) in an in depth-loop mode, and mission support amenities and operations – were achieved. Only partially achieved were the goals of confirming structure and thermal integrity, compatibility of launch vehicle and spacecraft, and launch loads and dynamic characteristics; and of verifying operation of launch car propulsion, guidance and control, and electrical programs.

All different objectives had been achieved. Rendezvous was achieved at 3 hours forty six minutes floor elapsed time, docking 28 minutes later. At 39 hours half-hour ground elapsed time, the crew reported that little or no thrust was obtainable from two orbit perspective and maneuver thrusters. Again, initial oscillations progressively damped out and the mixture stabilized. Initial oscillations damped out and the mix turned very stable after about 20 minutes; the rotational fee was then increased. The lunar module returned to dock successfully with the CSM following the eight-hour separation, and the LM crew returned to the CSM.The LM ascent stage was jettisoned, its batteries were burned to depletion, and it was placed in a photo voltaic orbit on May 23. The crew then prepared for the return journey to earth and after 61.5 hours in lunar orbit a service propulsion system TEI burn injected the CSM into a trajectory towards the earth. One-half hour later the CSM separated from the S-IVB, transposed, and docked with the lunar module.