The Air Force has tasked Northrop Grumman to outfit two of the RQ-4 Global Hawk block 20 unmanned aerial vehicles that the company has built for the service with the communications-relay technology known as BACN to meet a joint urgent operational need in Southwest Asia for greater troop connectivity. “It’s the number one priority in the [Global Hawk] program now to convert those two airplanes,” Tom Twomey, business development director for Northrop’s high-altitude, long-endurance systems, told reporters during the Association for Unmanned Vehicle Systems International conference in Washington D.C., Tuesday. BACN, which stands for battlefield airborne communications node, relays voice communication over long distances and bridges frequencies, thereby allowing ground forces on frequency-limited radios to talk with close air support aircraft. The Air Force has said it would like these Global Hawks ready to deploy in combat with BACN in Fiscal 2011.
The use of a military counter-drone laser on the southwest border this week—which prompted the Federal Aviation Administration to abruptly close the airspace over El Paso, Texas—will be a “case study” on the complex web of authorities needed to employ such weapons near civilian areas and the consequences of agencies…

