E8
Master Sergeant
This Grade was added in 1958
DA Msg 344303, June 1958
Dad was promoted to E8 on August 4, 1961

E7
Master Sergeant
Dad was promoted to E7 on April 8, 1952

E6
Sergeant First Class
Dad was promoted to E6 on December 16, 1950

E5
Sergeant
Dad was promoted to E5 on October 20, 1948
This promotion occured after his reenlistment after WWII

E5
Staff Sergeant
Dad was promoted to E5 on August 14, 1945
This promotion occured during WWII

E4
Corporal
Dad was promoted to E4 on July 7, 1948
This was the rank dad was given upon reenlistment after his broken service

E4
Sergeant
Dad was promoted to E4 on March 1, 1944
This promotion occured during WWII

E3
Corporal
Dad was promoted to E3 on October 9, 1943
This promotion occured during WWII

E2
Private First Class
Dad was promoted to E2 on August 2, 1943
This promotion occured during WWII

E1
Private
Dad was a Private upon enlisting in United States Army on October 28, 1942