The beetle drone is appropriately named "Ringo", referring to one of the members of the famous British band The Beatles. See more

Goofs

At the end of the movie when the militia are removing the machine gun from the back of the technical, the one crewman lifts the base post the gun was sitting on and throws it aside. The base post would have been welded (or at the very least bolted) to the bed of the truck. See more