They have troops in 135 countries
After 07 Dec 1941
3 million
probably over 150,000
1. The US IS a country. It does not have countries in it.
Over 50 countries
one
a lot
There is no such continent known as the US, the US is a country.
If the question refers to US TROOPS only, the number is 16 million, 353 thousand. allied troups
2000
Hawaii is a US State and contains no countries.
The true answer is NONE. The US has military bases in over 150 countries but the US does not occupy any.