180919-N-OY799-0122 PHILIPPINE SEA (Sept. 19, 2018) Logistics Specialist 3rd Class Alyssia Bell-Cooper, from Elizabethtown, Kentucky, sorts mail in the post office aboard the Navy’s forward-deployed aircraft carrier USS Ronald Reagan (CVN 76) during Valiant Shield 2018. The biennial, U.S. only, field-training exercise focuses on integration of joint training among the U.S. Navy, Air Force and Marine Corps. This is the seventh exercise in the Valiant Shield series that began in 2006. (U.S. Navy photo by Mass Communication Specialist 2nd Class Kenneth Abbate/Released)