The LTV-N-4 was an American experimental rocket, developed by the Naval Ordnance Test Station for the development and testing of large solid-fueled rocket boosters for ramjet-powered missiles. Described as "more powerful than the V-2", a number of test flights were conducted during 1949.[1][2]
Bowman, Norman John (1957). The Handbook of Rockets and Guided Missiles. Chicago: Perastadion Press. ASINB0007EC5N4.
Parsch, Andreas (2003). "NOTS LTV-N-4". Directory of U.S. Military Rockets and Missiles Appendix 1: Early Missiles and Drones. designation-systems.net. Retrieved 2013-01-21.