A UH-60L Black Hawk helicopter assigned to Joint Task Force-Bravo’s 1st Aviation Regiment, 228th Battalion from Soto Cano Air Base, Republic of Honduras, participates in shipboard refueling aboard the USNS Spearhead in the Gulf of Panama during UNITAS 16, Sept. 23, 2016. UNITAS is an annual multi-national exercise that focuses on strengthening existing regional partnerships between the U.S. and Central and South American partner nations and encourages establishing new relationships through the exchange of maritime mission-focused knowledge and expertise throughout the exercise. (U.S. Army photo by Lt. Col. Richard Tucker)