Corps Commander OMG (Operational Manoeuvre Group) is miniature gaming rules for 1/285 and 1/300 micro armor cold war era divisional scale operations. Ground scale is 10cm = 1km. A metric tape measure and several 6-sided and 10-sided dice are required. 100 page paperback book with a folded two sided quick reference card. There are 44 pages of rules followed by 20 pages of army organisations which include the United States, Belgium, UK, Canadian, Danish, Dutch, French, German, and Warsaw Pact. The final section has equipment data including helicopters, missiles and aircraft.