U-Boats and the Lusitania: The War at Sea

In World War I, Germany deployed U-boats in an attempt to stifle the flow of essential supplies to Britain and other Allied nations, without success.

The sinking of the Lusitania

LC-USZ62-76929: German submarine: U 20

The First World War at Sea – Part Two

The War From Here — Harold Daly survives Lusitania sinking

Interview: Erik Larson, Author Of 'Dead Wake: The Last Crossing Of

Delayed Reaction Lapham's Quarterly

Lusitania, History, Sinking, Facts, & Significance

The Hunt for the Notorious U-Boat UB-29, History

This Map Shows the Full Extent of the Devastation Wrought by U

How German U-Boats Were Used in WWI—And Perfected in WWII

U-boat campaign - Wikipedia

Sinking of the RMS Lusitania - Wikipedia

Was There a Cover-Up After the Sinking of the 'Lusitania'?

What is the purpose of the angled bracket on the front top of

U-boat Deck guns - Technical pages - German U-boats of WWII

Nazi u boat hi-res stock photography and images - Alamy

200 scale 2D Top Down Kriegsmarine U-boat Type VII - Files - Wings

1,115 U Boat Stock Videos, Footage, & 4K Video Clips - Getty Images