Remove Chocks Sailors remove safety chocks and chains before an MH-60R Seahawk helicopter takes off from the flight deck of the guided-missile destroyer USS Michael Murphy in the South China Sea, April 12, 2017. The helicopter crew is assigned to Maritime Helicopter Strike Squadron 37. Navy photo by Petty Officer 3rd Class Danny Kelley SHARE: Download: Full Size (1.93 MB) Tags: Sailors, training, Navy Credit: Petty Officer 3rd Class Danny Kelley VIRIN: 170412-N-PP996-004A.JPG Photo Gallery