YT-T21 · Secondary institutional history with collection illustrations

Target the Tirpitz

Barnes Wallis, 12,000 lb deep-penetration bomb and the two RAF squadrons.

Author
RAF Museum
Date
Modern museum account
Passage
Tallboy development and Lancaster operations passages

What has been checked

Article read on 20 October 2026; logbook crop separately inspected as YT-T20.

How to read it

Not an original technical manual. Exact hit and casualty figures are not adopted. The illustrated bomb plot concerns Le Havre, 14/15 June 1944, not Tirpitz, and is excluded from the attack evidence.

Read museum history ↗ (new tab)

Read it with the story

← All sources

Photograph

Enlarged historical photograph

Web copy resized and compressed; original framing retained. Open image file ↗