Whatever you are qualified for.
Yes, National Guard technicians are eligible for TRICARE if they are also members of the National Guard and are activated for federal duty. They typically qualify for TRICARE Reserve Select or other TRICARE options based on their military status. It's important for them to confirm their eligibility and options through their chain of command or the TRICARE website.
That depends on how many enlistments you already have, what your skill level (corresponding with your rank) is, and what the needs of your state's National Guard are. Talk to your unit retention NCO about this. The options for someone in the California National Guard and the Delaware National Guard are going to be very different, and we don't have the benefit of knowing what state you're in, what your current MOS is, or any of the information I listed above.
There are actually two National Guards, but when people say the National Guard they are probably (but not necessarily) talking about the Army National Guard. The other National Guard is the Air National Guard which is to the Air Force what the Army National Guard is to the Army.
There is the Army National Guard and the Air National Guard.
No. There is only an Army National Guard and an Air National Guard.
Yes. Each state has National Guard units.
No the National Guard does not have submarines. The National Guard is primarily a ground fighting organization. The Air National Guard does provide for air support within the US.
The National Guard and Air National Guard can be (and have been) deployed. The Puerto Rico State Guard cannot.
yes There are actually 2 types of national guards. There is the Air National Guard which is part of the Air Force and the Army National Guard which is part of the Army. Then there is the State Guard which certain states have and work closely with the army national guard.
Bear in mind that the National Guard comprises both the Army National Guard and Air National Guard. The major subordinate commands of the Texas Army National Guard and Air National Guard are listed in the corresponding Wikipedia articles for each, which you can access by clicking the related links at the bottom.
The National Guard has SEVERAL Colonels.
A National Guard veteran.