Back Them Up! (capture of U 570 by a Lockheed Hudson)
A painting shows an RAF Lockheed Hudson banking over a German submarine whose crew stand on deck with raised hands and a white flag, captioned as the capture of U 570. The slogan 'Back Them Up!' attaches the aircrew's success to the viewer's own contribution, the tell for transfer.
Propaganda techniques used in this poster
- Date
- 1941
- Period
- Second World War
- Made by
- His Majesty's Stationery Office, printed by Chromoworks Ltd., London; artist W. Krogman (signed)
- Region
- Western and Central Europe
- Country
- United Kingdom
- Medium
- Poster
- Issuer type
- State
- Regime
- Churchill Government
- Leader
- Winston Churchill
- Audience
- Domestic public
- Purpose
- Mobilize or secure compliance
- Themes
- War and the military, Home front
- Event
- World War II
- Leader
- Winston Churchill
- Source
- Identified Openly sourced: the speaker is who they say they are
- Source
- U.S. National Archives and Records Administration, Record Group 44, World War II Foreign Posters, retrieved October 3, 2026
- Rights
- Public domain (UK Crown copyright, 50 years from publication, expired before 1996; no URAA restoration)
His Majesty's Stationery Office, printed by Chromoworks Ltd., London; artist W. Krogman (signed). U.S. National Archives, WWII Foreign Posters (NAID 44266256, 44-PF-91f).
Text on the object
The capture of the German submarine U 570 by a Lockheed "Hudson" of the British Coastal Command. BACK THEM UP! W KROGMAN PRINTED IN ENGLAND by CHROMOWORKS LTD. LONDON. 51-2326.







