Sailors and marines perform a right echelon maneuver in riverine assault boats. Sailors assigned to Riverine Squadron 3 and marines from the Royal Netherlands marine corps perform a right echelon maneuver in riverine assault boats during a three-week cross-training exercise to exchange tactics and refine skills at Camp Lejeune, N.C., on March 22, 2011. SHARE IMAGE: Download Image: Full Size (0.08 MB) Photo By: VIRIN: 017411-P-QYF31-994.jpg Photo Gallery