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The U.S. Army is ready to invest in teeny tiny drones. A request for information filed earlier this month indicates the Army is interested in unmanned aerial vehicles that weigh less than a pound, according to Tandem National Security Innovations

Source: YouTube
Source: YouTube

Nano drones aren't anything new, per se. British armed services have had a lightweight surveillance drone called the Black Hornet for some time. Outside of the Army, educational institutions like Harvard University and the University of Pennsylvania and businesses like AeroEnvironments have also been developing nano drones.  

Source: YouTube
Source: YouTube

But this new information may mean the technology is finally meeting the Army's expectations. The Army has put together a list of items it'd like from its next drone investment. Here a few of the specifications:

- Real-time video and telemetry 
- An air vehicle weighing no more than 150 grams
- Flight endurance of 15 minutes
- Vehicle must be able to return to a set location if it loses radio contact
- 500-meter line of sight
- Day and night vision
- During the day, the drone at a 20-meter range must be able to identify a human and recognize whether that target is armed or not
- Air vehicle must be able to fly in 10 knot winds and 15 knot "gusts"

You'll notices the drone request doesn't include any sort of weapon. However, as Eye in the Sky director Gavin Hood said in an interview with Mic earlier this month, it wouldn't take much to weaponize these unmanned vehicles with chemicals like anthrax down the road.