To join the army you need to be at least 17 years old. If you are 17 years old you may need a parents consent to be able to join. Also, you need to be physically fit, and mentally prepared. you also need to participate ir support a combat mision
When you are a member of the army you are stationed to a different places in the United States. You are stationed at an area for at least 2 to 4 years. When you are stationed in a area you are training or doing a job assignment.
When you get ranked up in the army you will get paid more. If you want to get paid more it all depends on the rank you are. to rank up you need to go to training for at least 6 months.