The U.S. military shot down a Customs and Homeland Security drone on Thursday evening, which led to the abrupt closure of airspace over Fort Hancock, Texas, lawmakers said. At 6:30 p.m. local time, the Federal Aviation Administration closed the airspace, citing “special security reasons.” The FAA’s official notice of the closure currently says the closure will remain in effect until June 24. As it turns out, the “special security reasons” involved a friendly fire incident in which the U.S. military shot down a Customs and Border Protection drone using a laser-based anti-drone system. Rep. Rick Larsen (D-WA), the top Democrat...