German U-Boats were a big threat to Allied shipping across the Atlantic. New inventions and tactics triggered a race to outsmart the opponent, dramatically changing the tides of the Battle of the Atlantic every few months.

Join us on Patreon: https://www.patreon.com/TimeGhostHistory
Or join The TimeGhost Army directly at: https://timeghost.tv

Check out our TimeGhost History YouTube Channel: https://www.youtube.com/c/timeghost?sub_confirmation1

Follow WW2 day by day on Instagram @ww2_day_by_day -https://www.instagram.com/ww2_day_by_day/
Like us on Facebook: https://www.facebook.com/TimeGhostHistory/
Between 2 Wars: https://www.youtube.com/playlist?listPLrG5J-K5AYAU1R-HeWSfY2D1jy_sEssNG
Source list: http://bit.ly/WW2sources

Hosted by: Indy Neidell
Written by: Joram Appel
Director: Astrid Deinhard
Producers: Astrid Deinhard and Spartacus Olsson
Executive Producers: Astrid Deinhard, Indy Neidell, Spartacus Olsson, Bodo Rittenauer
Creative Producer: Maria Kyhle
Post-Production Director: Wieke Kapteijns
Research by: Joram Appel
Edited by: Miki Cackowski
Sound design: Marek Kamiński
Map animations: Eastory (https://www.youtube.com/c/eastory)

Colorizations by:
https://www.instagram.com/dememorabilia/
Julius Jääskeläinen - https://www.facebook.com/JJcolorization/

Sources:
Pugsley, William H./Library and Archives Canada/PA-139273
Bundesarchiv
Narodowe Archiwum Cyfrowe
IWM CH 15219, A 31092, FL 3259
Bletchley Park Trust
from the Noun Project: Cargo Ship by Locad, explosion by Nico Tzogalis

Soundtrack from the Epidemic Sound:
Johannes Bornlof - The Inspector 4
Reynard Seidel - Deflection
Johannes Bornlof - Deviation In Time
Hakan Eriksson - Epic Adventure Theme 3
Johannes Bornlof - Death And Glory 3
Phoenix Tail - At the Front

Archive by Screenocean/Reuters https://www.screenocean.com.

A TimeGhost chronological documentary produced by OnLion Entertainment GmbH.