The U-boat might be getting clear away. She had made the best use of her superior maneuverability, and she had taken full advantage of the necessary time interval between a change of course on her part and the news of it reaching her enemy’s captain. The information reaching Keeling was limited and slow; the deductions to be drawn from it could be faulty—we know in part, and we prophesy in part; the U-boat captain was aware of Keeling’s limitations.
