Colonel Philip J. Corso and William J. Birnes present explosive claims from their controversial book "The Day After Roswell," which alleges that the U.S. military has been secretly reverse-engineering alien technology for decades. Corso, speaking from his Pentagon experience, describes his role in distributing extraterrestrial materials to defense contractors for analysis and replication. He claims that many modern technologies, including fiber optics, integrated circuits, and night vision equipment, were developed through study of alien artifacts recovered from the Roswell crash. The discussion covers the military's compartmentalized approach to studying extraterrestrial technology while maintaining official denial of its existence. Corso describes the political and military pressures surrounding the UFO cover-up, including concerns about public panic and foreign intelligence interest in American technological advantages. Birnes provides context for Corso's revelations, examining how secret programs operated within the military-industrial complex. Their claims suggest that the United States gained significant technological advantages through exploitation of alien technology while publicly denying any knowledge of extraterrestrial contact. The book's publication has stirred intense controversy within both UFO research and military communities. These allegations, if true, would represent one of the most significant cover-ups in modern history, with implications extending far beyond the UFO phenomenon to include fundamental questions about technological development and government transparency.