Closeup of the service module (grey) and command module (rusty). The SM provides propulsion and electrical power/consumables; the CM is the only part that returns to Earth. The launch escape system (far right) would be jettisoned at some point during ascent from the Earth.

Space Holiday 2014: Photo 79 / 249

Closeup of the service module (grey) and command module (rusty). The SM provides propulsion and electrical power/consumables; the CM is the only part that returns to Earth. The launch escape system (far right) would be jettisoned at some point during ascent from the Earth.

Closeup of the service module (grey) and command module (rusty). The SM provides propulsion and electrical power/consumables; the CM is the only part that returns to Earth. The launch escape system (far right) would be jettisoned at some point during ascent from the Earth.