There was a joint American-Canadian unit during WWII, but the entire forces were never combined, nor was any other such unit created.
The Army is one of the Armed Forces..
US Army
us army will destory the spetznaz they can be a special forces us still will kill
US Army Special Forces. They are divided into Groups - 1st Group, 5th Group, 10th Group, etc.
USAAF US Army Air Forces
The branch of the US armed forces that has admirals is the Navy. The armed forces is made up of the army, air forces and the navy.
Not in the US military, no.
The US armed forces
The President is Commander-in-Chief of all US armed forces.
The US have Delta Force, Rangers and Green Berets.
Yes. Both the Mexican Army and Navy have special forces groups. In fact, they train with their American counterparts: the US Army Special Forces and Navy SEALs.
The US Army is tasked with the military operations based on the land. This is the main arm of the Armed Forces of the United States.