During WWII, needing to mass produce cargo ships quickly to replace war losses and meet the capacity needs to transport cargo and men. A standard design was developed in 1939 to build ships for the British. In 1941, they settled on one design and started manufacturing ships. Eventually getting the construction time down to launching in 7 days and delivery in 42 days. This shipyard in Brunswick was one of the production lines and pretty much all that is left are the remains of the ways the hull was built on and launched into the water from.