Strategy & Tactics magazine #30.
After SPI sold their groundbreaking Eastern Front wargame, PanzerBlitz, to Avalon Hill, designer James F. Dunnigan turned his eye to the Western Front. Combat Command was described as "Platoon-Company Level Combat, France 1944".
The Combat Command game system was quickly discarded as the seventies saw SPI release a string of "new and improved" tactical wargame systems.