17, with parental consent. Many US states had only begun issuing birth certificates just a few years before WWI though, so most WWI soldiers did not have one. This made it more or less easy to fib about your age and enlist a little younger.
my grandfather was actually one of the youngest, during Vietnam.
Not in the army, but as a nurse.
The process forcing people to join the army during World War 1 was called conscription
people:@!!
It is believed to be James R Clark who lied about his age and joined the Army at 13 years old. When the army found out about his real age, he was discharged at 14 years old.
18
my grandfather was actually one of the youngest, during Vietnam.
The youngest possible US Army soldier possible by US Army Regulations is 17 1/2 years old.
It's like the army in our world.... so you just enlist. 16-17 is the youngest.
The Air Force is the youngest military organizationThe Air Force was a part of the Army, and was called the Army Air Corps, until 1947.
I could not find WHO was the youngest Australian soldier enlisted in the Army in World War 2. But, I can tell you there were plenty of teens as young as 15 who fraudulently joined the services in all the English speaking forces. In Germany there were tons of teens serving Hitler in the military. I have included a marvelous link about Australians in the war.
Not in the army, but as a nurse.
Joan of Arc is believed to have led an army at the age of 17.
16
George Cluster
Justin Barham age 18
General Douglas MacArthur.