Defense housing. Merrimack Park, Norfolk, Virginia. This project to house married enlisted personnel of the Norfolk naval base has 500 units which include single-story detached dwellings, two family houses, two-story group houses and apartments. Built at a cost of $1,980,000 by the USHA (U.S. Housing Authority), the project was opened for occupancy on July 1, 1941. Rentals are divided into four groups which run from a low 13-15 dollars to a high of 30-33 dollars