Project Twinkle

Project Twinkle, the U. S. Air Force study to investigate the mysterious Geen fireballs of the late 40's
Project Twinkle Final Report release date: 27 Nov 1951

Green Fireballs, Project Twinkle, Little Lights and Grudge (Capt. Eward J. Ruppelt)
NCP-13: White Sands Films, Mirarchi, and Project Twinkle (Dr. Bruce Maccabee)