Mercury-Atlas

Atlas MA-9
Last manned Mercury-Atlas

Mercury-Atlas was a subprogram of Project Mercury that included most of the flights and tests using the Atlas LV-3B launch vehicle. The Atlas was also used for one Mercury flight under the Big Joe subprogram.

The Mercury mission numbering system was: a two-letter designation marking the launch vehicle type, followed by a dash, then a number designating the flight/test number. The Atlas launch vehicles used for Project Mercury were given a two- or three-digit number followed by a "-D", indicating that they were the "D" version of the Atlas.

The missions flown in Mercury-Atlas were:

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