U.S. Soldiers of 5th Squadron, 73rd Cavalry Regiment, 3rd Brigade Combat Team, 82nd Airborne Division, Iraqi soldiers and and Iraqi national police practice boarding a U.S. Army CH-47 helicopter in preparation for a joint air assault operation planned and led by the Iraqi army and Iraqi national police at Forward Operating Base Hammer, in the Ma'dain area, east of Baghdad, Iraq, June 26. The Soldiers search for weapons caches and insurgent activity during one of the largest air assault operations conducted in the Multi-National Division - Baghdad area since the start of Operation Iraqi Freedom.