Kraig Kann of the Golf Channel opens the Rock Like a Champion concert at the PGA Tour Constellation Energy Senior Players Championship at TPC Potomac at Avenel Farm, Maryland, October 9, 2010. Photo by Katherine Ruddy.
Marines practice their sitting volleyball skills during the 2014 Marine Corps Trials on Camp Pendleton, Calif. The event involves four competing teams comprised of active duty Marines, veterans and international service members. U.S. Marine Corps photo by Lance Corporal Ashton Buckingham