Corps Commander was published in July 1986. Shortly after this an errata sheet was published which was printed on the inside cover of the rules. Digest #3, published in Oct 1986, and contained some additional supporting information, but no changes to the rules. The Air & Sea supplement, printed in June 1988, contained a large number of additional rules, as well as some minor changes to the base rules. The publishing of Korps Commander, in August 1988, contained a large number of changes to the rules. A number of these were as a result of the period, such as the game scale, however a number represents corrections to the original Corps Commander rules.