New Imaging Techniques Capture Forgotten U-boat
On Christmas Day 1917, U-87 attacked a convoy in St George’s Channel (in particular, the 4812-ton British steamship AGBERI). One of the convoy escorts, P56, was just 150 yards away from the AGBERI when it was struck and turned to ram the submarine while another escort, the BUTTERCUP, fired and hit its conning tow...