Christine Darden, a 'Hidden Figure' and one of the first African American women that worked at NASA as a human computer back in the 1960s, spoke Coast Guard members at Coast Guard Base Los Angeles-Long Beach, San Pedro, Calif., March 16, 2018. Christine Darden. At the conclusion of her speech Coast Guard members asked questions about her experiences with NASA, aerodynamics, supersonic-flight and sonic booms.(U.S. Coast Guard photo released by Petty Officer 3rd Class DaVonte' Marrow.)