B-52B/RB-52B The B-52B was the first version to enter service with the USAF on 29 June 1955 with the 93rd Bombardment Wing at Castle AFB, California.
B-52B/RB-52B B-52B var den første version, som kom i tjeneste hos USAF den 29. juni 1955 i 93rd Bombardment Wing på Castle AFB i California.