STS064-04-009 (9-20 Sept. 1994) --- Astronaut L. Blaine Hammond, STS-64 pilot, talks to students on Earth via the Shuttle Amateur Radio Experiment (SAREX) on the space shuttle Discovery's flight deck. The recently licensed "Ham" operator and several other crew members throughout the mission were connected with schools around the world with the aid of a number of amateur radio operators. Hammond joined five other NASA astronauts for almost 11 days in Earth orbit aboard Discovery. Photo credit: NASA or National Aeronautics and Space Administration