In memory of brave explorers

The three Apollo 1 astronauts met their death on January 27 high on this Saturn Apollo gantry shown in Cape Kennedy, Florida on Jan. 28, 1967, when a flash fire struck inside their spacecraft as they were simulating a launch countdown. National Aeronautics and Space Administration officials escorted newsmen to the Saturn blockhouse (foreground) which is 1,000 feet from the base of the rocket. (AP Photo/Harold Valentine)