Ranks

Ranks of Espatier and ISEO with Equivalencies

Grade	Espatier Rank	Grade	ISEO Rank
E1	Private
E2	Private First Class	T1	Crewman
E3	Lance Corporal
E4	Corporal	T2	Technician Third Class
E5	Sergeant
E6	Staff Sergeant	T3	Technician Second Class
E7	Gunnery Sergeant
E8	Master Sergeant	T4	Technician First Class
E9	First Sergeant Master Gunnery Sergeant Sergeant Major
O1	Second Lieutenant	S1	Ensign
O2	First Lieutenant	S2	Lieutenant
O3	Captain	S3	Lieutenant Commander
O4	Major	S4	Commander
O5	Lieutenant Colonel	S5	Captain
O6	Colonel
O7	Brigadier General
O8	Major General
O9	Lieutenant General
O10	General General of the Corps