Petty Officer 2nd Class Dustin Sliva (right), a U.S.

Petty Officer 2nd Class Dustin Sliva (right), a U.S. Coast Guard Water Survival Master and Responder with Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa Detachment A, observes swimmers in the pool during a swim assessment with Compagnie Fusilier de Marin Commandos in Dakar, Senegal, Aug. 27, 2015. Sliva administered the swim assessment with the assistance of an interpreter (middle) and the unit’s lieutenant (left) to ensure the COFUMACO had basic swim knowledge and abilities before the partner nations begin small-boat operations in the following weeks. (U.S. Marine Corps photo by Cpl. Olivia McDonald/Released)