DD;
I have run multiple SASL campaigns "simulating" a Marine seaborne assault versus the Japanese. I have chosen a set of SASL missions that would reflect what the Marines would be doing during the 3 to 4 days of the expected invasion, and as each is completed the next is chosen by how well the Marines did in the one that was just completed. For example, the first mission would be #20, Amphibious Assault. If they win then on to #3, Recon, if they lose, #1 Cautious Advance.
I also figure the a day of the campaign is 3 missions, two day, one night (with the Japanese usually being the attackers at night). This does require some severe modifications to the "refit" rules in SASL, such as not using them.
Also, due to losses, towards the end of the campaign one needs to do what was actually done in real life, run two under strength companies to get enough manpower to have a chance at completing a mission.
I have run two full strength companies in a campaign, which requires some changes to activation numbers and die roll modifiers for the generation tables to make it fair for Otto, your opponent.