Corporal.
It runs on a station called E4
The Marines are Marines. The Army has Army Special Forces AKA Green Berets.
Corporal. Note: An E3 in the Marine Corps is called a lance corporal; a rank which to the best of my knowledge only exists in the British Army and the US Marines. A lance corporal is the highest enlisted rank, and a corporal is the lowest non-commissioned officer rank.
NO, they are called 'submariners' .
11 on e4 or 12 on e4+1
"Jarhead" and "Gyrine" are less than favorite nicknames for marines.
There isn't a specific rank attributed to it. Generally, a tank gunner would be Private (E1) through Specialist (E4). Field Artillery would be more the same. There is a Gunnery Sargeant in the Marines.
MARSOC MARine Special Operations Capable
Double king pawn openings (1. e4-e5) also called open games Double queen pawn openings (1. d4-d5) also called closed games Semi-open games (1. e4-any Black move other than e5) Indian opening (1. any White move other than e4 or d4)
TBS and or My TV 20 and E4 and e4+1
The Marines are considered a subgroup of the Navy.
You most likely will keep the same rank. You might be able to get a promotion if the MOS you are going into needs people but the person that would have the best answer would probably be a recruiter or someone in your admin. might know.