Enlisted Rank Insignia

ENLISTED RANK INSIGNIA
Note that the numbering of pay grades went from top to bottom in the WW-II era while today's pay grades are numbered from the bottom up. The current methodology is a uniform pay scale employed by all U.S. armed services.
Enlisted Ranks WW-II				Current Enlisted Ranks (since 1998)
WW-II Pay Grade	Non-Technical	Technician	Current Pay Grade	Non-Specialist	Specialist Grades
N/A	Did not exist	Did not exist	Special Grade	Sergeant Major of the Army	N/A
N/A	Did not exist	Did not exist	E-9	Sergeant Major	SP9 cancelled in 1965
N/A	Did not exist	Did not exist	E-8	Master Sergeant	SP8 cancelled in 1965

Grade 1	Master Sergeant	First Sergeant	E-7	Sergeant First Class	SP7 cancelled in 1978
Grade 2	Technical Sgt	N/A	E-6	Staff Sergeant	SP6 cancelled in 1985
Grade 3	Staff Sergeant	Tech 3d Class	E-5	Sergeant	SP5 cancelled in 1985
Grade 4	Sergeant	Tech 4th Class	E-4	Corporal	Specialist 4th Class
Grade 5	Corporal	Tech 5th Class	E-3	Private First Class	N/A
Grade 6	Private First Class	N/A	E-2	Private (PV2)	N/A
Grade 7	[No Chevron] Private	N/A	E-1	[No Chevron] Private (PV1)	N/A