Naval Aircrewmen (Helicopter) Airman Adriana Ramirez and Kevin Mason, both assigned to Helicopter Sea Combat Squadron (HSC) 3, participate in brake-hold drills during the fleet aircrew replacement course at Naval Air Station North Island. The course prepares naval aircrewmen becoming rescue swimmers for the challenges of aggressive survivors. (U.S. Navy photo by Mass Communication Specialist 2nd Class Antonio Turretto Ramos/Released)