U.S. Marine Sgt. Jorge P. Calle, left, an infantry tactics instructor with the Mobile Training Team, Command Element, Special Purpose Marine Air-Ground Task Force - Southern Command, performs a search and rescue technique on Sgt. Francis A. Nova, an infantry tactics instructor with the MTT, during a water survival course at Soto Cano Air Base, Honduras, June 13, 2017. The course consisted of basic water survival skills as well as search and rescue techniques. (U.S. Marine Corps Photo by Lance Cpl. Serine Farahi)