Searching for an answer to the U-Boat, the British hit upon the so-called Q-ship, a merchant vessel fitted with a concealed armament to lure the submarine to close range and then destroy it before it had a chance to escape. This article is a reprint of one such meeting in the Irish Sea.

This article is located in the History of the First World War Volume 4 (REF D522 .H58 1969 V.4).