150422-N-JY507-068 BREMERTON, Wash. (April 22, 2015) Machinist's Mates 3rd Class Noah Kizer and Richard Caillet, assigned to the ballistic missile submarine USS Nebraska (SSBN 739), participate in a base-wide Earth Day cleanup at Naval Base Kitsap-Bremerton. (U.S. Navy photo by Mass Communication Specialist 3rd Class Seth Coulter/ Released)