BACK BREAKERS U.S. Marines practice back breakfalls aboard the amphibious dock landing ship USS Gunston in the Atlantic Ocean, Jan. 17, 2011. The Marines, assigned to Marine Wing Support Squadron 271, Logistics Command Element, Headquarters Command Element, are learning new martial art techniques while under way supporting Southern Partnership Station exercises. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 144370-D-UOZ18-502.jpg Photo Gallery