191009-N-NU281-1025 PEARL HARBOR (Oct. 9, 2019) Instructors explain proper plank technique during a new physical readiness test (PRT) as part of Navy Physical Readiness Test Evaluation Phase II. Throughout the week, groups of volunteers will perform exercises such as pushups, planks, 2k row, upright bike and 1.5 mile run. This is the first of four planned evaluations around the fleet designed to set new performance standards and metrics for future physical readiness tests.(U.S. Navy photo by Mass Communication Specialist 2nd Class Cole C. Pielop/Released)