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The United States military employs a range of drones, also known as unmanned aircraft systems (UAS), across various combat zones worldwide. These drones serve multiple functions, from reconnaissance to tactical intelligence and strike missions. The Department of Defense categorizes these drones into five distinct tiers based on their capabilities and size.
Tier 1 consists of very light, low-altitude intelligence aircraft with a maximum takeoff weight of 0-20 lbs, operating at altitudes up to 1,200 feet and speeds around 100 knots. This category includes the RQ-11 Raven, Wasp III, and RQ-20 Puma, all manufactured by AeroVironment.
Tier 2 comprises light, low-altitude intelligence aircraft with weights between 21-55 lbs and nominal operating altitudes below 3,500 feet. The Boeing Insitu MQ-27 ScanEagle, Aerovel Flexrotor, and PDW C100 fall under this tier.
