Fitness construction begins Published Jan. 16, 2015 60th Air Mobility Wing Public Affairs TRAVIS AIR FORCE BASE, Calif. -- The construction of the new outdoor fitness center has begun on the squadron physical training pad behind the fitness center. Please ensure your safety when exercising in proximity of the construction site. For questions concerning the construction, please call the Engineering Flight at 424-3464. Look to the Fitness Center and Tailwind for more information as the opening nears.