For more than 100 years ghillie suits have seen extensive military use, primarily for the use by snipers and scouts.

It's a memento scout snipers have worn since the school was established. These Marines have now joined the ranks of the world's deadliest combat snipers.

Newly-minted HOGs are presented with a "Hog's Tooth," a single round with 550 nylon cord through it to wear around their neck. It's a memento scout snipers have worn since the school was established.

Students at the US Army Sniper Course at Fort Benning participate ... After covering their ghillie suits with natural vegetation to blend in with their environment, students have two hours to ...