U-18 first sank on 20 November 1936 after colliding with an escort vessel. 12 of the 20 crew survived and the boat was raised 8 days later. Her extensive repairs and shake-down, prior to being recommissioned, took 10 months – 4 months longer than the time it took to build her originally.
Charles McCain is a Washington DC based freelance journalist and novelist. He is the author of "An Honorable German," a World War Two naval epic. You can read more of his work on his website: http://charlesmccain.com/ View all posts by Charles McCain