FAST ROPE TRAINING U.S. Navy Chief Warrant Officer Darren Bernal prepares to fast rope out the back of a CH-46E Sea Knight helicopter during a training exercise aboard the forward deployed USS Essex, May 18, 2008. Bernal ia assigned to the 31st Marine Expeditionary Unit's Battalion Landing Team, 2nd Battalion, 4th Marines. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 050422-O-QTE73-572.jpg Photo Gallery