From left, Chief Explosive Ordnance Disposal (EOD) Technicians Joseph Grupe, 1st Class Ruben Villegas and 1st Class Tom Hensen, assigned to EOD Mobile Unit 11, discuss different ways to build an explosive charge aboard the aircraft carrier USS Nimitz (CVN 68) in the South China Sea on May 21, 2013. The Nimitz was underway in the U.S. 7th Fleet area of responsibility supporting maritime security operations and theater security cooperation efforts. (U.S. Navy photo by Mass Communication Specialist 3rd Class Devin Wray/Released)