Military.com reports:
Airmen will be allowed to wear up to 2-inch beards under a new Air Force guidance that outlines grooming standards for religious accommodations.The updated grooming policy also allows members of the Sikh faith to wear turbans and Muslim women to wear hijabs…
The Air Force is following the lead of the Army, which in 2017 became the first service to allow Muslim and Sikh soldiers to wear head coverings and beards in line with their religious beliefs. A similar accommodation was extended later to Norse pagan service members.