U.S. Navy Damage Controlman 1st Class Danny Valdivia refills self-contained breathing apparatus bottles aboard the guided missile destroyer USS Lassen (DDG 82) at Naval Station Yokosuka, Japan, Nov. 5, 2012. Lassen was undergoing selected restricted availability to overhaul shipboard systems and conduct maintenance. (U.S. Navy photo by Mass Communication Specialist Seaman Mackenzie P. Adams/Released)