When I made reservations yesterday, I think I saw somewhere on there site that they did
Hero Discount
Moab KOA Holiday is proud to offer a special Thank You to all military veterans, service men and women, police, firefighters and first responders with 10% off their reservation. Valid military, state or federal service ID is required at check in.
Terms & Conditions: This discount cannot be combined with any other discounts or offers including KOA Rewards. Minimum length of stay rules may apply. Not valid on stays of 28 days or more. Discount applied to site registration fees only.
For more information please call 435-291-1712 and reference hot deal code: HD.
https://koa.com/campgrounds/moab/hot-deals/