Goddard realises his earlier nested gun concept is not practical - he calculates it will take 56 tons of explosive to launch a 500 pound payload to an altitude of 2,000 miles. He realises Lox/LH2 will make the ideal rocket fuel, although he is still thinking in terms of explosive pulses. References: 377 .
Solar ultraviolet research. Launched at 1135 local time. Reached 101 km.
Ethylene gas release (Firefly). Launched at 0105 local time. Reached 140.6 km.
The Army proposed that the name of the large clustered-engine booster be changed from Juno V to Saturn, since Saturn was the next planet after Jupiter. Roy W. Johnson, Director of the Advanced Research Projects Agency, approved the name on February 3. References: 16 .
NASA-AEC Space Nuclear Propulsion Office invited industry to submit proposals for participation in development of Nerva (nuclear engine for rocket vehicle application), a part of Project Rover initiated in 1955 by USAF-AEC. References: 18 .