( Editor’s note: This story has been updated to include additional information provided by the Defense Innovation Unit .) The Pentagon's innovation hub and the Navy have awarded contracts to prototype small sea drones, in line with the department's Replicator program timeline to field thousands of attritable, unmanned systems by August 2025 to counter China's military mass, the Defense Innovation Unit announced Monday . “Selected systems promise to bring formidable capability into the larger portfolio of unmanned systems that will...