S88-E-5155 (12-13-98) --- Astronaut Robert D. Cabana, mission commander, floats near the ceiling of Endeavour's aft flight deck. Seen through overhead windows are the mated Zarya and Unity modules before the ISS components were released from Endeavour's cargo bay. The scene was recorded with an electronic still camera (ESC) at 19:33:57 GMT, Dec. 13.