U.S. Navy Command Master Chief Tyrone Willis, left, instructs a hose team during a simulated helicopter crash on the flight deck of the guided missile destroyer USS Ross (DDG 71) in the Atlantic Ocean March 17, 2014. The Ross was in transit to Scotland to participate in Joint Warrior 14-1. Joint Warrior is a United Kingdom-led exercise designed to improve interoperability between allied navies and prepare participating crews to conduct combined operations while deployed.