Mar 6 1959

From The Space Library

Radio signals received from PIONEER IV from a distance of 408,620 miles from earth, a new communications record.

The thrust chamber of the F-1 engine was successfully static-fired at the Santa Susana Air Force-Rocketdyne Propulsion Laboratory in California. More than one million pounds of thrust were produced, the greatest amount attained to that time in the United States.

Washington Evening Star, April 1, 1959.