SALINAS, Peru (Sept. 30, 2021) U.S. Marines with Special Purpose Marine Air-Ground Task Force - UNITAS and U.S. Sailors assigned to the amphibious transport dock ship USS John P. Murtha (LPD 26) coordinate the transport of a simulated casualty during a casualty evacuation drill in Salinas, Peru, Sept. 30, 2021, during exercise UNITAS LXII. UNITAS is the world's longest-running maritime exercise. Hosted this year by Peru, it brings together multinational forces from twenty countries and includes 29 ships, four submarines, and twenty aircraft conducting operations off the coast of Lima and in the jungles of Iquitos. The exercise trains forces to conduct joint maritime operations and focuses on strengthening partnerships and increasing interoperability and capability between participating naval and marine forces. (U.S. Marine Corps photo by Lance Cpl. Elias E. Pimentel III)