ap13-70-H-476 Published on April 17, 2017 in 17 April 1970, 12:52:51 UTC, T plus 137:39:51.5Full resolution (622 × 900) ← Previous Next → Astronaut Jack Swigert prepares to board the Apollo 13 Command Module. He is wearing his Omega Speedmaster Professional Chronograph on his left arm. (NASA)