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Sikhism requires men to wear turbans and not cut their hair and beards. Unfortunately, turbans don't fit under helmets, so Sikh soldiers (and Sikh motorbike riders) don't wear them. I don't have any statistics on whether or not God protects Sikhs more or less as a result.
Signaler Simranjit Singh and Lance Corporal Sarvjit Singh guard Queen Elizabeth II and protect the Crown Jewels.