Pentagon DoD DTM 11-008 Permitting Government Agencies To Use Excess Ballistic Missile (XBM) Assets on a Case-to-Case Basis, dated July 5, 2011. Share: By DDN | 11 years ago | 11/22/2013 DoD DTM 11-008 Permitting Government Agencies To Use Excess Ballistic Missile (XBM) Assets on a Case-to-Case Basis, dated July 5, 2011.