Combined Joint Logistics Over-the-Shore Exercise (CJLOTS)

POHANG, South Korea- U.S. Army personnel construct the Trident pier, a mobile, modular causeway designed to facilitate movement of heavy equipment into an improvised port, along the shores of Dogu Beach during a Combined Joint Logistics Over-the-Shore Exercise (CJLOTS), April 15, 2013. CJLOTS is a Combined/Joint Logistics Over-the-Shore Exercise involving all five branches of the U.S. Military designed to enhance the security and readiness of the Republic of Korea. (U.S. Coast Guard photo by Petty Officer 2nd Class Etta Smith/Released)

U.S. Coast Guard HH-60J Jayhawk helicopter

PACIFIC OCEAN (June 4, 2012) A U.S. Coast Guard HH-60J Jayhawk helicopter takes off the flight deck of the amphibious assault ship USS Peleliu (LHA 5). The helicopter landed aboard Peleliu to refuel while on a medical evacuation mission. Peleliu is the flagship for the Peleliu Amphibious Ready Group and is underway in the Pacific Ocean. (U.S. Navy photo by Mass Communication Specialist Seaman Alex Van'tLeven/Released)

Coast Guard HH-60 helicopter

An HH-60 helicopter crew performs a search and rescue (SAR) demonstration on the Columbia River at the 2009 Portland Rose Festival, June 6, 2009.

This US Coast Guard photo is public domain.

USS Mesa Verde (LPD 19)

Crewmembers aboard amphibious transport dock ship USS Mesa Verde (LPD 19) search for debris on the flight deck before helicopters are launched during UNITAS Gold. This photo is public domain.