Crew:
    James A. McDivitt [2], Commander
    David R. Scott [2], CSM Pilot
    Russell L. Schweickart [1], LM Pilot

Backup Crew:
    Charles Conrad, Jr., Commander
    Richard F. Gordon, Jr., CSM Pilot
    Alan L. Bean, LM Pilot

Launch:
    Pad: 39-A
    Date: 3 March 1969
    Time: 16:00:00 UTC

Orbit:
    Altitude: 192 km x 190 km
    Orbits: 152
    Duration: 10 days, 1 hour, 1 minute

Landing:
    Location: Atlantic Ocean (23° 12.5' N, 67° 56' W)
    Vessel: USS Guadalcanal (LPH-7)
    Date: 13 March 1969
    Time: 17:01 UTC

First manned flight of all lunar hardware in Earth orbit. First manned flight of the Lunar Module. The CSM performed docking and undocking exercises with the LM. Schweickart had 37 minutes of EVA. Scott participated in what is referred to as a "stand up EVA".

The Command and Service Module (CSM) was named Gumdrop, and the Lunar Module (LM) was named Spider.

The Apollo 9 command module is on loan from the National Air and Space Museum to the San Diego Aerospace Museum in San Diego, CA.