Rear Adm. Mike Bernacchi, center, commander of Naval Service Training Command, explains how recruits read gauges as part of watch standing training to Adm. Christopher Grady, left, commander of U.S. Fleet Forces Command.

GREAT LAKES, Ill. (Nov. 08, 2018) Rear Adm. Mike Bernacchi, center, commander of Naval Service Training Command, explains how recruits read gauges as part of watch standing training to Adm. Christopher Grady, left, commander of U.S. Fleet Forces Command, inside the USS Hopper recruit barracks during a tour of Recruit Training Command. More than 30,000 recruits graduate annually from the Navy's only boot camp. (U.S. Navy photo by Mass Communication Specialist 2nd Class Spencer Fling) File# 181108-N-PL946-1023