Combat problems for small units united states army in world war ii procurement and training of ground combat troops / Robert Roswell Palmer, Bell I. Wiley and William R. Keast Logex 58 an interservice logistical exercise involving a field army supported by a divided communications zone : Vol. II / Tenth Army Combat plans pre-invasion operation Gridiron Engineer D+65 situation and player instructions plus standing operating procedure / prep. and reprod. by the Engineer school, Fort Belvoir, VA Station list Air forces gridiron combat orders Troop list Operation Gridiron