yes
Most National Guard officers are on reserve duty status.
Reserve Officer Training Corps It trains officer for duty in the Army. Upon graduation from Army ROTC, you will earn the bar of a Second Lieutenant and be commissioned into the Active Army, Army Reserve or Army National Guard. The other branches have their own types: NROTC is Naval Reserve Officer Training Corps, which provides both Navy and Marine Corps Reserve Officers. AFROTC is Air Force Reserve Officer Training Crops. NJROTC is Naval Junior Reserve Officer Training Corps, which provides both Navy and Marine Corps Reserve Officers. MCROTC Marine Corps Reserve Officers Training Corps (If you put a "J" it means junior which is high school ROTC)
Reserve Officer Training Corps It trains officer for duty in the Army. Upon graduation from Army ROTC, you will earn the bar of a Second Lieutenant and be commissioned into the Active Army, Army Reserve or Army National Guard. The other branches have their own types: NROTC is Naval Reserve Officer Training Corps, which provides both Navy and Marine Corps Reserve Officers. AFROTC is Air Force Reserve Officer Training Crops. NJROTC is Naval Junior Reserve Officer Training Corps, which provides both Navy and Marine Corps Reserve Officers. MCROTC Marine Corps Reserve Officers Training Corps (If you put a "J" it means junior which is high school ROTC)
WORLD TOP 12 ARMED FORCES:1. Russia (1,027,000 active) (22,010,000 reserve)2. North Korea (1,106,000 active) (8,200,000 reserve)3. South Korea (687,000 active) (8,000,000 reserve)4. Vietnam (455,000 active) (5,000,000 reserve)5. China (2,285,000 active) (1,510,000 reserve)6. India (1,325,000 active) (2,142,821 reserve)7. United States of America (1,580,255 active) (864,547 reserve)8. Iran (510,000 active)(1,800,000 reserve)9. Brazil (327,710 active) (1,340,000 reserve)10. Cuba (49,000 active) (1,159,000 reserve)11. Ukraine (129,925 active) (1,000,000 reserve)12. Turkey (510,600 active) (428,700 reserve)
When you resign, you're resigning your commission. If they're simply resigning to transfer to a reserve component, they would keep their commission. Otherwise, they're no longer commissioned officers. For Marines, we have to request a reserve commission. It is not automatically given. Your name is sent back in front of the US Senate and reappointed a reserve officer.
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You will need to see a recruiter to join active duty.
Active personnel: 1,477,896 Reserve personnel: 1,458,500
You will need to be in active service with a ranking of e5 or higher. Typically recruiters come from the non-commissioned officer ranks. You can put in a request or volunteer for a recruiting position. Then you will complete mandatory recruiter training at a camp like Ft. Jackson. You can become an army recruiter by applying through army.mil. You can go to the career section and look for all the openings there.
You need to get your bachelors degree through AFROTC (Air Force Reserve Officer Training Corps) or finish your four years in college and go to USAF OTS (Officer Training School) If your really interested in it I would try to find a Active/Retired USAF Officer.
Active Ready Reserve, or Army Ready Reserve. The remainder of an 8 hour commitment, after leaving active duty.
In Earth Cyprus there is currently 10,000 Active, and 50,000 in Reserve. In Palem Cyprus ( a planet I made) there is currently 20,600,000 Active, and about 14,000,000 in Reserve.