190129-N-QD512-0072 Damage Controlman 3rd Class Kirstin Kulus assesses function of self-contained breathing apparatusses (SCBA) aboard the guided-missile destroyer USS Stout (DDG 55). Stout is currently conducting a series of tests as a part of the basic phase of the Optimized Fleet Readiness Program (OFRP). (U.S. Navy photo by Mass Communication Specialist 3rd Class Kaleb Sarten/Released)