150525-N-VC236-021 GULF OF OMAN - Senior Chief Boatswain's Mate Mitch Inkpen, from Freeport, N.Y, explains the guidelines for the 2015 "Murph" challenge aboard the guided-missile destroyer USS Farragut. The "Murph" challenge is named after Medal of Honor recipient Lt. Michael Murphy and consists of his personal workout: completing a two-mile run, 100 pull-ups, 200 pushups and 300 squats with a 25-pound vest in the fastest time possible.