Compare the united states army and air force in terms of responsibilities and size

The Army exists to serve the American people, to defend the Nation, to protect vital national interests, and to fulfill national military responsibilities.

1.3 million people

Protecting those who protect our nation. As the largest career field in the Air Force, it's the job of Security Forces to protect, defend and fight. They are responsible for missile security, defending air bases around the globe, law enforcement on those bases, combat arms and handling military working dogs.

321,444 active duty airmen, 141,800 civilian personnel, 69,200 reserve airmen, and 105,700 Air National Guard airmen.