Let's say the modern day Jap army marched into Malaysia via Thailand and landed an amphibious force at Kota Baru (as per Dec 1941).
Part 1: Can the MAF repel the invaders by themseleves? What if SAF was allowed to deploy north?
Part 2: If Boleh land is conquered, can SAF defeat the Japs from a "cornered rat" position? (as were the Brits in Feb 1942)
VS