They supplied a few troops to the fronts in the last few years of WW1
In Japan and Europe
7,994,750.
The United States Army.
WWII created the US Army's airborne units.
about 33/4 years
the US joined the war in 1917 and the war ended in 1918. Answer: 1 year.
Patton.
DESTINY
No, after World War 2, before the Korean War
The US participated in both the European Theater and Pacific Theater of World War 2 and with the cooperation of the Allies they were victorious in both theaters.
In the US Army Medical Corps, or the US Navy equivalents.
It would depend on which countries army you are referring to. In the case of the US Army then it is possibly the Vietnam War.