Here is a lightweight quadcopter drone that can deliver surveillance and assault from the air. The Rotem Assault Drone has a lightweight design and can be carried in a backpack. It folds down to a 38 inches long and 7 inches wide. As Israeli Defense explains, the Rotem comes with a combat head and VTOL capability.
The Rotem is ideal for reconnaissance and surveillance missions. It can be retasked during an active mission.