U.S. Navy Electrician's Mate 2nd Class Wenxiu Chen charges breakers after switching from shore power to ship's power aboard the amphibious transport dock ship USS Green Bay (LPD 20) in San Diego June 9, 2014. The ship was conducting a regularly scheduled yard period at BAE Systems San Diego Ship Repair. (U.S. Navy photo by Mass Communication Specialist 1st Class Elizabeth Merriam/Released)