Keywords: US Navy 070615-N-4163T-093 Sailors take turns completing a total of 60 sit-ups during the Naval Base San Diego and Navy Region Southwest Moral, Welfare and Recreation (MWR) 2nd Annual Backyard Fitness Challenge.jpg en SAN DIEGO June 15 2007 - Sailors take turns completing a total of 60 sit-ups during the Naval Base San Diego and Navy Region Southwest Moral Welfare and Recreation MWR 2nd Annual Backyard Fitness Challenge The event comprised of two person teams who compete in a 3-mile run 100-yard wheelbarrow race 60 push-ups and 60 sit-ups lets Sailors have fun while still getting a physical workout U S Navy photo by Mass Communication Specialist 2nd Class Stephanie Tigner RELEASED 2007-06-15 070615-N-4163T-093 Navy http //www navy mil/view_image asp id 47222 U S Navy photo by Mass Communication Specialist 2nd Class Stephanie Tigner PD-USGov-Military-Navy Naval Base San Diego in the 2000s Sit-ups |