Project SPIKE was a 1970's suborbital conventional warhead ASAT air-launched from an F-106 interceptor. Considerable work was done from the early 1970s under the Missile and Space Defense Program. Research centered on the miniature homing vehicle (MHV) with nonnuclear kill capability. It seems to have lead to the 1980's F-15 launched ASAT of the same concept.

• 433 - Federation of American Scientists Web Site, . HTML when accessed: http://www.fas.org/
• 440 - Peebles, Curtis, Military Space Book, .