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 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