The Electric Boat Company in WWII
The Electric Boat Company also had a role in World War Two and developed 74 submarines, including the Grayback. The Grayback was designed as a Tambor-class vessel, along with 12 were built. From these, seven of these Tambor submarines were destroyed.
Completing the Grayback
Once the Grayback was finally completed, she was more than 300 feet from stem to stern. She measured over 27 feet at her widest point while having a maximum surface speed of 20 knots and nine knots when traveling underwater.