GREAT LAKES, Ill. (May 3, 2023) Recruits are introduced to fartlek runs as part of physical training at Recruit Training Command, May 3, 2023. Fartlek runs consist of a period of jogging followed by short sprints. The OPFA is the final physical fitness assessment required to graduate boot camp and consists of dynamic warm-up exercises, push-ups, planks, 1.5-mile run, and cool down stretches. Boot camp is approximately 10 weeks and all enlistees into the U.S. Navy begin their careers at the command. Training includes five warfighting competencies of firefighting, damage control, seamanship, watchstanding, and small arms handling and marksmanship along with physical fitness and lessons in Navy heritage and core values, Warrior Toughness, Life Skills, teamwork and discipline. More than 40,000 recruits train annually at the Navy�s only boot camp. (U.S. Navy photo by Hospital Corpsman 1st Class Rashawn Lynch)