Lead nozzleman Romel Mercado, assigned to the submarine tender USS Frank Cable (AS 40), fights a simulated fire in a berthing space during a damage control drill. Frank Cable, forward deployed to the island of Guam, conducts maintenance and support of submarines and surface vessels deployed in the U.S. 7th Fleet area of responsibility and is on a scheduled deployment. (U.S. Navy photo by Mass Communication Specialist 1st Class Jeremy Starr/Released)