List of Apollo missions

The Apollo program included both manned and unmanned space missions, flown by NASA between 1961 and 1975. They culminated with a series of manned Moon landings between 1969 and 1972.

The Apollo program used four types of launch vehicles:

The Marshall Space Flight Center, which designed the Saturn rockets, referred to the flights as Saturn-Apollo (SA), while Kennedy Space Center referred to the flights as Apollo-Saturn (AS). This is why the unmanned Saturn 1 flights are referred to as SA and the unmanned Saturn 1B are referred to as AS. Dates given below are dates of launch.

From 1961 to 1968, the Saturn launch vehicles and components of the Apollo spacecraft were tested in unmanned flights.

From August 1963 to January 1966 a number of tests were conducted for development of the launch escape system (LES). These included simulated pad aborts, which might occur while the Apollo-Saturn space vehicle was still on the launch pad, and flights on the Little Joe II rocket to simulate Mode I aborts which might occur while the vehicle was in the air.

Some incongruity in the numbering and naming of the first three unmanned Apollo-Saturn (AS), or Apollo flights, is due to the posthumous honorary renaming of the flight which would have been AS-204, to Apollo 1. This manned flight was to have followed the first three unmanned flights. After the fire which killed the AS-204 crew on the pad during a test and training exercise, unmanned Apollo flights resumed to test the Saturn V launch vehicle and the Lunar Module; these were designated Apollo 4, 5 and 6. The first manned Apollo mission was thus Apollo 7. Simple "Apollo" numbers were never assigned to the first three unmanned flights, although renaming AS-201, AS-202 and AS-203 as Apollo 1-A, Apollo 2 and Apollo 3, had been briefly considered.

Block I crew positions for Apollo 1 were designated Command Pilot, Senior Pilot, and Pilot. Corresponding Block II positions were designated Commander, Command Module Pilot, and Lunar Module Pilot (regardless of whether or not a Lunar Module was present on the mission.)

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