Q-ship
（重定向自Q Ship）
![British First World War Q-ship HMS Tamarisk](/Images/godic/202502/05/HMS_Tamarisk1301.jpg")
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![HMS President in the Thames](/Images/godic/202502/05/20040918-027-thames-ship1301.jpg")
1301.jpg")
Q-ships, also known as Q-boats, decoy vessels, special service ships, or mystery ships, were heavily armed merchant ships with concealed weaponry, designed to lure submarines into making surface attacks. This gave Q-ships the chance to open fire and sink them.