170816-M-HF454-028 PACIFIC OCEAN (Aug. 16, 2017) Sailors conduct night casualty evacuation familiarization training on a UH-1Y Huey helicopter aboard the amphibious transport dock ship USS San Diego (LPD 22). The training prepares the medical team to handle any mission set regardless the time of day. (U.S. Marine Corps photo by Cpl. Timothy Valero/Released)