Singapore unable to guard its longkangs

We have the most powerful armed forces in the region, the most powerful air force, the most power navy, but we cannot protect our islands from being invaded and occupied by 2m foreigners. Actually we invited them, oops, not we, the govt invited them to occupy our little piece of rock, so short of land even for our Singaporeans to live comfortably and cheaply. We are running out of space and the