Keywords: Medicine ball.jpg Aviation Boatswain's Mate Handling 3rd Class William Ross exercises with a medicine ball inside the Big Stick Gym aboard the aircraft carrier USS Theodore Roosevelt CVN 71 http //www navy mil/view_image asp id 65072 2008-10-08 U S Navy photo by Mass Communication Specialist 3rd Class John Suits Public domain as it's a work of a US Navy sailor as part of his job PD-USGov-Military-Navy original upload log en wikipedia Pjahr CommonsHelper page en wikipedia Medicine_ball jpg 2008-10-09 20 38 Tempshill 1500×2100× 543864 bytes <nowiki> Aviation Boatswain's Mate Handling 3rd Class William Ross exercises with a medicine ball inside the Big Stick Gym aboard the aircraft carrier USS Theodore Roosevelt CVN 71 http //www navy mil/view_image asp id 6507</nowiki> Exercise Men with balls Aviation Boatswain's Mates Medicine Ball |