What roles do auxiliary branches play in the military?

I've heard about 'auxiliary' military branches, and I'm kinda intrigued. What exactly do they do? How different are they from the main branches like the Navy, Army, etc? Do they have the same recruitment process? Are there any auxiliary branches that are particularly suited for high school graduates?

Auxiliary branches of the U.S. military are in essence reserve components of the military that traditionally perform support roles, serving as an important part of the national defense. These branches, which include the Army Reserve, Navy Reserve, Marine Corps Reserve, Air Force Reserve, and Coast Guard Reserve, typically carry out functions that can assist full-time active duty personnel. They may provide operational support, execute strategic depth, and ensure readiness for emergencies or national crises.

The Army National Guard and Air National Guard offer another form of military service as reserve components of the Army and Air Force respectively. They have a unique dual mission with both federal and state responsibilities, meaning they can be called upon in the event of domestic emergencies and natural disasters within their own states, as well as serving overseas.

The recruitment process is similar to the regular military branches in that you need to meet certain age, citizenship, and physical and academic qualifications. You'll need to take the Armed Services Vocational Aptitude Battery (ASVAB) test and go through a military entrance processing station to ensure medical fitness. However, you may find some differences in commitment requirements. For example, traditional reserve and National Guard soldiers typically commit to training one weekend per month and two weeks per year, although more engagement can occur depending on the needs of the military and specific roles.

As for opportunities particularly suited for high school graduates, each auxiliary branch has its own set of positions that may fit different interests and skills. For instance, the National Guard offers over 150 career fields including intelligence, mechanics, and aviation. It's beneficial for you to research each branch and their specific careers to figure out what would be an ideal fit for you. No matter the role, these positions all provide unique experiences, discipline, and skills that can be valuable in civilian careers later on, as well as opportunities for further education and career progression.