<<There are 1.5 million people active in the US Army, which makes it the second largest army after China. There are another 1.5 million people in reserve as well.>>
I believe this answer is confusing the US Army with overall Armed Forces. There are slightly over 500,000 soldiers on active duty in the US Army, with a similar number of reserves. Several countries have larger standing Armies.
The United States Army
United States Army's motto is 'This We'll Defend'.
how big is the united states
United States Army Military District of Washington's motto is 'Haec Protegimus'.
Association of the United States Army was created in 1950.
Second United States Army's motto is 'Second To None'.
United States Army Reserve Command's motto is 'Twice the Citizen'.
Sixth United States Army Group was created in 1944.
United States Army Air Service was created in 1918.
United States Army Medical Unit was created in 1956.
United States Army Medical Unit ended in 1969.
United States Army Ordnance Museum was created in 1967.