The drone maker just won its biggest Army contract ever.AeroVironment (AVAV 14.07%) stock took off like a rocket Wednesday morning, rising by 16.5% through 10:15 a.m. ET, after the Pentagon announced the company's single biggest contract win ever.The news led Tuesday night's press release listing the biggest Defense Department contracts awarded that day: $990 million awarded to AeroVironment "to provide an organic, stand-off capability to dismounted infantry formations capable of destroying tanks, light arm ...