151116-N-JY875-041 ATLANTIC OCEAN (Nov. 16, 2015) Aviation Machinist's Mate Airman Ken Tabora acts as a landing signalman for two MH 60S Seahawks from the "Black Knights" of Helicopter Sea Combat Squadron (HSC) 4 on the flight deck of aircraft carrier USS George Washington (CVN 73). UNITAS 2015, the U.S. Navy's longest running annual multinational maritime exercise, is part of the Southern Seas deployment planned by U.S. Naval Forces Southern Command/U.S. 4th Fleet. This iteration of UNITAS is conducted in two phases: UNITAS PACIFIC, hosted by Chile in October 2015 and UNITAS Atlantic hosted by Brazil in Nov.. (U.S. Navy photo by Mass Communication Specialist 3rd Class Jaime Marcial/Released)