Drone

 Drones''' are the Human-Volterite Alliance equivalent of the Xeno Sentinels. They're flying robotic drones that travel in packs, fast-moving but fragile. They're encountered only in N.O.V.A. 2.'''

Uses
Drones are part of a security system used by the Human Volterite Alliance. The security system is designed to catch intruders breaking into important locations. The security system can be found in the Nimbus science facility and the imperial palace.

Trivia

 * It appears similar to Pyscho Bits from  Metroid Prime Hunters.


 * It is the weakest enemy in the N.O.V.A series being able to be destroyed in one Handgun shot