170217-N-JN506-052 MANGILAO, Guam (Feb. 17, 2017) Sailors from Performance Monitoring Team (PMT) detachment Guam pick up trash and clear brush along the access road to Marbo Cave following a Roadway Adoption Program sign unveiling with Lt. Gov. Ray Tenorio of the Islandwide Beautification Task Force. The team has committed more than 400 volunteer hours to the rehabilitation and beautifications of the area since adopting it in April 2016. PMT detachment Guam provides maintenance and testing support to the four Los Angeles-class attack submarines based out of Apra Harbor, Guam, and assigned to Commander, Submarine Squadron 15. PMT tracks and advises critical engineering parameters to ensure optimal performance. (U.S. Navy photo by Mass Communication Specialist 1st Class Jamica Johnson/Released)