GULF OF ALASKA (May 3, 2021) Aviation Machinist�s Mate 2nd Class Trevor Griego, from Eastvale, Calif., tightens the bleed air clamps on the engine of a MH-60S Sea Hawk, assigned to the �Eightballers� of Helicopter Sea Combat Squadron (HSC) 8, in the hanger bay of the aircraft carrier USS Theodore Roosevelt (CVN 71) in support of flight operations above the Joint Pacific Alaska Range Complex and Gulf of Alaska during Exercise Northern Edge 2021 (NE21). Navy, Air Force and Marine aircraft executed flight missions during NE21 demonstrating seamless, joint combat capabilities during NE21. Approximately 15,000 U.S. service members are participating in a joint training exercise hosted by U.S. Pacific Air Forces May 3-14, 2021. NE21 is one in a series of U.S. Indo-Pacific Command exercises designed to sharpen the joint forces' skills, practice tactics, techniques, and procedures, improve command, control and communication relationships, and to develop cooperative plans and programs. (U.S. Navy photo by Mass Communication Specialist Seaman Hayden J. Burns)