150417-N-PJ969-045 ATLANTIC OCEAN (April 18, 2015) Lt. Joshua Roaf looks through a sight glass aboard the guided-missile cruiser USS Anzio (CG 68). The ship is participating in Joint Warrior, a United Kingdom-led training exercise designed to provide NATO and allied forces with a unique multi-warfare environment in which to prepare for global operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Abe McNatt/Released)