The Flower sloops often carried two 4-inch Mark IV guns. Smaller 3-pounder guns and depth charges supplemented that battery. Combined with the merchant disguise, this armament made the sloops an unexpected threat to submarines.
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Guns and depth charges behind the disguise
Flower sloops often carried two 4-inch Mark IV guns, 3-pounder guns, and depth charges behind their merchant-ship disguise.