Boeing Building Laser Gunship: No, Really

A megawatt laser with a four-inch-diameter beam that can cut through metal at a range of nine miles. Science fiction when I was growing up, a Boeing Integrated Defense Systems project today.

• Fox News: "Boeing Testing Another Powerful Airborne Laser"
• Boeing: "Boeing Installs High-Energy Laser on Laser Gunship Aircraft"
• Boeing: "Missile Defense Systems / Airborne Laser Backgrounder"
• GlobalSecurity.org: "Advanced Tactical Laser (ATL)"