180918-N-PL946-1039 GREAT LAKES, Ill. (Sept. 18, 2018) Recruits stand in formation after completing their evaluation aboard USS Trayer (BST 21) at Recruit Training Command. Trayer, more commonly referred to as "Battle Stations," is the crucible event that recruits must pass prior to graduation, testing their knowledge and skills in basic seamanship, damage control, firefighting and emergency response procedures. 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/Released)