Senior Airman Richard Babb marshals a U.S. Navy Riverine Command Boat and trailer onto a C-17 at Charleston AFB Aug. 26. The U.S. Navy's Riverine Group 1 is testing the RCB, which gives riverine squadron's the ability to travel in rivers, bays and coastal regions, expanding the capabilities of command and control and the riverine squadron's maritime security reach. Airman Babb is an air transportation journeyman with the 437th Aerial Port Squadron. (U.S. Air Force photo/James M. Bowman)