Apr 22 1946

From The Space Library

Glenn L. Martin Co. contracted with the AAF to produce (under Project MX-771) a surface-to-surface guided missile (later designated the Matador). U.S. Weather Bureau in cooperation with Army, Navy, NACA, Air Transport Association, and several universities, began series of flights into thunderstorms with pilotless P-61 "Black Widows" and piloted sailplanes to obtain scientific data.