U.S. Army Green Berets fast-rope out of a CH-47 Chinook helicopter during insertion and extraction training as part of Emerald Warrior at Hurlburt Field, Fla., April 22, 2015. The Green Berets are assigned to the 7th Special Forces Group. U.S. Army Green Berets fast-rope out of a CH-47 Chinook helicopter during insertion and extraction training as part of Emerald Warrior at Hurlburt Field, Fla., April 22, 2015. The Green Berets are assigned to the 7th Special Forces Group. SHARE: Download: Full Size (1.53 MB) Tags: Photo Essays Credit: VIRIN: 788970-P-LNH57-548.jpg Photo Gallery