They were grandfathered in before 1986.
You have to be careful when these freepers start pushing the Sikh agenda against the American military.
By Cheryl K. Chumley - The Washington Times - Monday, April 14, 2014
Only three of 500,000 active-duty and reserve Army troops are Sikhs.
As long as we’re talking about Sikhs
The 21 Sikhs of Saragarhi
http://www.business-standard.com/article/specials/the-21-sikhs-of-saragarhi-114091101117_1.html
“...The 36th Sikhs survive to this day. They were re-designated as the 4th Battalion of the Sikh Regiment which is, unsurprisingly, the most highly decorated regiment of the Indian Army. Now 20 battalions strong, the entire regiment remembers the heroic and selfless sacrifice of these soldiers by commemorating Saragarhi Day as their Battle Honour Day each year....”