Lyndon B. Johnson the Lyndon B. Johnson Space Center in 1973. Texas created a legal state holiday to be observed on August 27 to mark Johnson's birthday, known as Lyndon Baines Johnson Day. The Lyndon Baines Johnson Memorial Grove on the Potomac was dedicated on April 6, 1976. The Lyndon B. Johnson School of Public Affairs was named in his honor, as is the Lyndon B. Johnson National Grassland. Also named for him are Lyndon B. Johnson High School in Austin, Lyndon B. Johnson High School in Laredo, Lyndon B. Johnson Middle School in Melbourne, Florida, and Lyndon B. Johnson Elementary School in
USS Lyndon B. Johnson "Lyndon B. Johnson" instead of the composite structures of the other ships in the class. This change was made in response to cost overruns for the composite structure, but due to the tight weight margins in the class, this required weight savings in other parts of the ship. In February 2015, the Navy revealed they had begun engineering studies to include an electromagnetic railgun on "Lyndon B. Johnson". The "Zumwalt" class has been identified as more suited to use emerging technologies, like railguns, due to its superior electricity generation capability over previous destroyers and cruisers at 80 megawatts; "Lyndon B.