NARA B26466..Jun 49 Public domain photograph of a bomber aircraft, free to use, no copyright restrictions image - Picryl description
NARA B26563..8 May 52 Public domain photograph of a bomber aircraft, free to use, no copyright restrictions image - Picryl description
NARA RG342-B..5 August 54, maiden flight Public domain photograph of a bomber aircraft, free to use, no copyright restrictions image - Picryl description
NARA B26562..12 May 52 Public domain photograph of jet aircraft, free to use, no copyright restrictions image - Picryl description