Electrician's Mate 1st Class David Withers, assigned to Maritime Expeditionary Security Squadron (MSRON) 12, mans a .50-caliber gun mount while his patrol boat escorts USS Green Bay (LPD 20) out of the port of Jebel Ali, United Arab Emirates. MSRON 12 is a Navy Reserve unit based in Williamsburg, Va., which conducts port and harbor security, high value asset protection, and maritime security operations as part of Commander, Task Force 56. (U.S. Navy photo by Mass Communication Specialist 1st Class Jon Rasmussen/Released)