Sorry to bring up an old topic, but I did not want to create a whole new one.
There has been an update to the promotion. This allows DOD Civilians and DOD Contractors with a valid CAC to purchase the tickets. This is only a test as of now and will run from now till 12/19/18.
Department of Defense personnel can take advantage of the Walt Disney World® Resort Military Salute room and ticket offers now through Dec. 19, 2018
U.S. military personnel have special limited-time room and ticket offers through Dec. 19, 2018. U.S. Department of Defense civilians and retired DOD civilians and full-time contract personnel and technical representatives ("DOD groups") can take advantage of these offers through Dec. 19, 2018.