Soldiers from the 156th Military Police Detachment, attached to the 1st Air Cavalry Brigade, 1st Cavalry Division, exit their Mine Resistant Ambush Protected all-terrain vehicle outside the Balkh provincial prison Oct 23. Soldiers of the 156th MP were at the prison in order to fulfill one of their many mission sets, by enrolling the local Afghan national prisoners into a biometric system, enabling coalition and Afghan forces to create a viable database in order to forensically identify criminals.