Two US Army United Defense LP M2A2 Bradley Infantry Fighting Vehicles (IFV), 1-18 Infantry Battalion, 1ST Infantry Division, travel in a convoy on the Route Arizona (1ST Brigade Sector) roadway. This unit is in Bosnia to serve as a covering force for the 1ST Armored Division's redeployment during Operation Joint Endeavor. Operation Joint Endeavor is a peacekeeping effort by a multinational Implementation Force (IFOR), comprised of NATO and non-NATO military forces, deployed to Bosnia in support of the Dayton Peace Accords