shuttle from AOC, just ask driver. $5 per visit.

At gucci bldg, go thru front door take a right, going thru glass doors as if you were going to the cafeteria. Take a left past the restrooms, where hallway transitions from industrial tile to concrete. Gym at the end of the hall on the right.

They will provide a lock & towel.

Alternatively there is a gym in the ANG bldg on the southeast side of the airfield. Free, but only one shower, and unknown locker situation. You'll likely need a DoD ID card to get in thru the gate.