Lowe and USAA Real Estate have completed the development of the 19-story, 700,000-square-foot building for the General Services Administration (GSA), which will serve as the headquarters for the National Science Foundation (NSF). The NSF headquarters consists of two interconnected towers of 19 and 14 stories with 19,000 square feet of ground floor retail space and three levels of below-grade parking. It benefits from a prominent location directly across from the Metro Station in the Carlyle / Eisenhower neighborhood of Alexandria, Virginia.