they're working on the drone tanks https://www.thedefensepost.com/2020/12/21/us-army-drone-tank-development/ https://www.thedefensepost.com/2020/12/21/us-army-

they're working on the drone tanks https://www.thedefensepost.com/2020/12/21/us-army-drone-tank-development/ https://www.thedefensepost.com/2020/12/21/us-army-drone-tank...