That is very debatable, all of our military branches are considered to be the best in the world.
Yes, the Air Force is a part of a branch in the Military.
the marine corps sure are a military branch.
executive branch
It is most critical for our military to have, Men and women can both serve their country in each branch of the military.
Department of Defense, which is part of the Executive branch
No, the oldest military branch was the Continental Army founded by George Washington.
The Legislative branch
no
Navy
The US Army is the oldest and biggest branch of military in service, they are also the largest land combat force.
The abbreviation for the sea military branch is USN, which stands for United States Navy. Also, the United States Coast Guard (USCG) is a sea military branch in times of war.
The Executive Branch