He testified that the ship was slightly longer than Swordfish , thus weaker , but to compensate for this had been increased in depth making it 17 % stronger .
He was a trained naval architect and later became Director of Naval Construction at the Admiralty .
architect testified that the ship was slightly longer than Swordfish , thus weaker , but to compensate for this had been increased in depth making it 17 % stronger .
He was a trained naval architect and later became Director of Naval Construction at the Admiralty .