Do Sikh soldiers and air force pilots wear helmets over their turbans or they don't wear them at all? - Quora
Sikh plaintiffs seek clearance for keeping beards while going through Marine boot camp
Winning turban right - Times of India
Jaskirat Singh, Sikh recruit, makes Marine Corps history, completing boot camp with turban, beard - Washington Times
Dual devotion: A Sikh Marine can now wear his turban in uniform. But he wants more
Judge Rules Observant Sikhs Can Wear Beards, Turbans And Serve In The US Marines
Sikhs in US Marines can now keep beard, wear turban - Investing.com India
Sikhs sue US Marine Corps over hair and beard restrictions
Sikh US Marine Allowed to Wear Turban but With Limitations May Sue Corps: Report
UI student receives first waiver to wear turban, beard with ROTC uniform
Sikh Recruit Graduates From Elite US Marine Corps With Turban, Beard
U.S. Marines Can't Deny Basic Training to Sikhs because of Beards, Other Articles of Faith
US Marines Must Allow Sikh Recruits with Beards, Turbans: US Court Orders - News18