Boatswain's Mate 3rd Class Grabhorn hosts a knot tying class for the Tiger Cruise participants aboard the amphibious transport dock ship USS Green Bay (LPD 20). Green Bay is returning from deployment to the western Pacific region with the amphibious assault ship USS Peleliu (LHA 5), the amphibious dock landing ship USS Rushmore (LSD 47), and the embarked 15th Marine Expeditionary Unit. (U.S. Navy photo by Mass Communication Specialist 1st Class Elizabeth Merriam/Released)