U.S. Army Spc. Justin Donk, a team leader from Livermore, Calif., assigned to 2nd Platoon, Task Force Gold Geronimo, demonstrates bounding and traveling overwatch techniques to Afghan border police at the Taji district ABP headquarters located near Combat Outpost Herrera March 27. TF Gold Geronimo is part of the Spartan Brigade deployed to support Operation Enduring Freedom.