All active, reserved and retired military members* are welcome to exercise for free at 24 Hour Fitness clubs nationwide through May 31. To take advantage of the free workout week, military guests must present valid military identification or DD214 discharge document. Other guests can also work out free by downloading a free 7 Day Pass at www.24hourfitness.com/7daypass. (*Air Force, Army, Marines, Coast Guard, National Guard and Navy only.)