As the #Pentagon gears up for the possibility of a war with China over Taiwan, it’s grappling with a thorny problem: how to get supplies across thousands of miles of water to U.S. forces battling an enemy with an arsenal of long-range missiles designed to destroy lumbering American cargo planes and ships. Grid Aero believes it has a solution: split up the cargo across a fleet of cheap, small, #autonomous airplanes and make it a losing proposition economically to shoot them down with $1 million to $2 million anti-aircraft missiles. Plenty of Silicon Valley #startups are trying to pitch the Department of Defense on new ways of moving troops and supplies around. Grid Aero CEO Arthur Dubois has worked at two: Xwing, which aimed to graft a robot brain onto existing airplanes to allow them to fly without a pilot, and the company that acquired it last year, Joby Aviation, which is developing an electric plane capable of taking off and landing like a helicopter. Neither approach offers the...