We have all the usual branches of the armed forces.

Since we're at peace, the numbers are in the tens of thousands.

No, "aventuros" are not real Portuguese soldiers. The term "aventuro" is not recognized as a military rank or position within the Portuguese armed forces. It is not a common term used in official military contexts.

England has armed forces. The armed forces are commonly known as the British Armed Forces. The British armed forces consist of the Royal Navy and Royal Marine Corps, the British Army and the Royal Air Force.

An Armed Forces Qualification Test is a test used to determine qualification for enlistment into the armed forces.

It's eather or... im a member of the armed forces, Navy to be exact. I've been in five years and normally it's said "Enlist in the Armed Forces."

ie. He and/or She is enlist ed/ing in the armed forces.