Morale undershirts and patches are one uniform change airmen are embracing to boost unit pride throughout the service. But “T-shirt Fridays” remains in limbo for stateside airmen in the Guard and Reserve. Pending wing commander approval, airmen are allowed to wear morale patches on their flight suits on Fridays or during special events, and can also wear specially designed unit T-shirts under their Airman Battle Uniform or flight suits. Airmen in the reserve components expressed that the Air Force “kind of missed the boat on the morale T-shirts for Friday only,” said Ruth Ewalt, chief of Air Force uniform programs in…