![](http://www.alamy.com/thumbs/6/63B966FE-FA1B-4B30-9B8F-B1F5A4EFA64D/RAEF5F.jpg)
Master Sgt. Estil Fields, 436th Maintenance Group self-assessment program manager, completes a lap on the track during a 90 Plus class Jan. 30, 2017, at Dover Air Force Base, Del. The fitness center hosts this class at 6 and noon each Monday, Wednesday and Friday.
Size: 1731px × 1155px
Photo credit: © Chuck Little / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 436th, air, airlift, airman, america, archive, armed, army, base, caf, comprehensive, defence, domain, dover, fitness, force, forces, military, navy, nutrition, physical, reportage, service, serviceman, servicemen, soldier, states, united, usa, wing