Stair Climb Challenge | Oct. 1-31 JBSA-Fort Sam Houston METC Fitness Center | Bldg. 1369 Week 1: Washington Monument (867 steps) Week 2: Tower of the Americas (952 steps) Week 3: Empire State Building (1576 steps) Week 4: Willis Tower (2109 steps) Event is open to all DoD ID Cardholders at no cost. For more information, call (210) 808-5709 or (210) 808-5710.