Might be a long-shot but as a longtime dentist Rep. Paul Gosar might find an age waiver if he was inclined to join.
Actually this reminds me of a story about the only military dentist to get the Medal of Honor...
As a 29 year old (this would have been 1944) he had been commissioned and then sent to the Marianas Islands to fill in for a wounded surgeon.
A losing Japanese commander ordered waves of suicide attacks...
He grabbed a rifle and shot an attacker before resuming care. He then clubbed two Japanese soldiers, bayoneted one more, and shot a fourth one.
Contact with Salomon was lost as US troops withdrew from the area
A blood trail showed that he re-positioned the gun numerous times to cover the retreat even while wounded.
Salomon received the Medal of Honor only decades and decades later, in 2002
His Medal of Honor is at the AMEDD museum in San Antonio.
MOH citation:
cmohs.org/recipient-deta…