U.S. and Croatian soldiers fast rope from an HH-60H Seahawk helicopter during exercise Jackal Stone 2012 in Udbina, Croatia, Sept. 18, 2012. U.S. and Croatian soldiers fast rope from an HH-60H Seahawk helicopter during exercise Jackal Stone 2012 in Udbina, Croatia, Sept. 18, 2012. SHARE IMAGE: Download Image: Full Size (2.9 MB) Tags: Photo Essays Photo By: VIRIN: 100610-V-FIN65-307.jpg Photo Gallery