The first U-boat reaches Lorient
A German U-boat entered Lorient on 22 July, beginning the use of the French Atlantic ports as forward submarine bases. The change cut the long transit from German bases through the North Sea and allowed boats to spend more of each patrol on the convoy routes west of Britain. The new bases did not instantly create the later concrete submarine pens or a larger submarine fleet. Their immediate value was time and position. Boats could reach the North Atlantic faster, refit closer to the patrol area and operate farther west,…