Join NSA HR - Headquarters Fitness for Bike-A-Thon Glow Ride I Thursday, August 15 from, 11 a.m. to 1 p.m. at SC-400 Gym. Let’s ride out! Power through an exhilarating two-hour ride to remember. Reserve a bike to jump on a seat! Sign up at the SC-400 Gym front desk. Seats are limited! For more information please call 757-443-6110.