170213-N-DA275-119 SAN DIEGO (Feb. 13, 2017) Chief Warrant Officer 2 Andrew Amos conducts a pre-inspection of deck department Sailors before a life jacket demonstration aboard the aircraft carrier USS Nimitz (CVN 68). The ship is undergoing Board of Inspection and Survey in preparation for an upcoming deployment. (U.S. Navy photo by Mass Communication Specialist 3rd Class Samuel Bacon/Released)