1/2400 naval: Alternate 1930's-War breaks out! The North trys to stop war supplies coming into the New South from their European friends . The South sends out it's navy to escort the transports.
1/2400 naval: 1940-The US decides to put the French Caribbean possessions under it's protection. Surprisingly, the Vichy do not like this & send a naval force to stop it.
1/2400 naval: Alternate 1930s - War breaks out! The Union wants to liberate Cuba from the grasp of the New South. The Southern States & their allies do their best to stop this.