180221-N-OO032-0085 PACIFIC OCEAN (Feb. 21, 2018) Engineman 2nd Class Marcos Ontiveros and Hospital Corpsman 2nd Class Tyler Goodrich, both assigned to Coastal Riverine Squadron (CRS) 4, stand post. CRS-4, assigned to Coastal Riverine Group 1, Det. Guam, is capable of conducting maritime security operations across the full spectrum of naval, joint and combined operations. Further, it provides additional capabilities of port security, embarked security, and theater security cooperation around the U.S. 7th Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 1st Class Cory Asato/Released)