Left

Squadron	564th BS	565th BS	566th BS	567th BS
Radio Letters Used	A through M	N through Z	A through M	N through Z
Tail Letter Markings ---------------- Summer/Fall 1943	None H	None N	Bar after letter A-	Bar after letter U-
Winter 1943-44	None H	None N	Plus after letter A+	Plus after letter (December '43 only) U+
Spring 1944 w/ Circle-C Tails	None H	Bar before letter -M	Plus after letter A-	Bar after letter U-
Radio Letters Used	A through T	-H through -Z	A+ through R+	I- through Z-
Spring 1944 on w/B & W Tails	None H	Bar over letter _ M	Plus under letter A +	Bar under letter U
Squadron Letter Codes - starting mid-March 1944	YO	EE	RR	HP

Some 389th BG Tail Markings in Photographs
42-40782 CHATTANOOGA CHOO CHOO as it appeared on August 1, 1943.
42-63963 seen in the Winter of 1943-44. While this aircraft was a 567th BS aircraft, it is displaying X+ instead of the typical X-.
42-95063 seen in an unusual white C on black circle configuration. This was taken in April 1944 before the new black-white-black markings were ordered and as the first unpainted aircraft began arriving in England.
42-95077 GINNY GAL displaying the late tail markings, and the EE 565th BS squadron codes on the rear fuselage.
44-50867 displaying the late tail markings, and the RR 566th BS squadron codes on the rear fuselage.
42-50290 MARTHA R displaying the late tail markings, and the EE 565th BS squadron codes on the rear fuselage.