This view of the damaged Apollo 13 Service
Module (SM) was photographed from the Lunar Module/Command Module
following SM jettisoning. Nearest the camera is the Service Propulsion
System (SPS) engine and nozzle. An entire SM panel was blown
away by the apparent explosion of oxygen tank number two located
in Sector 4 of the SM. The damage to the SM caused the Apollo
13 crewmen to use the Lunar Module (LM) as a "lifeboat".
The LM was jettisoned just prior to Earth reentry by the Command