The military has been the dominant customer for UAVs in the U.S., spending nearly half a billion dollars annually on them in recent years. The organizations and tactical units within the Office of the Secretary of Defense (OSD/Joint), Army, Navy, Marine Corps, and Air Force responsible for defining UAV requirements, acquiring UAVs, and operating them are listed in this section, along with points of contact for each.
World Unmanned Aircraft Systems
The systems listed below reflect only those that are currently in operation by each country's government or are developmental programs intended to lead to acquisition. Systems purchased for commercial uses are also included, although some companies prefer to not have their systems listed for competitive reasons. It does not include one-off demonstrators or technology testbeds. Systems in italics are not yet in production or are being evaluated under lease.
| Mini (under 55 lb) |
Tactical | Ship Based | Penetrating | MAE | HAE | |
| North America | ||||||
| Canada | Silver Fox | Sperwer | JUSTAS | |||
| Mexico | Vanguard (ESS) | |||||
| United States | Dragon Eye, FPASS, Pointer, Raven, Scan Eagle, Silver Fox | Shadow 200/ Hunter/Pioneer |
Neptune, Eagle Eye | NUCAS | Predator/Warrior | Global Hawk |
| South America |
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| Argentina | Lipan | Bigua 2 (Mirach 100) |
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| Australia | Skylark | JP 129 | Global Hawk | |||
| New Zealand | DTA project |
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| Asia | ||||||
| China | ASN-206 | Chang Hong 1 | ||||
| Indonesia | AT-1/AT-2 Aspic | |||||
| Japan | Rmax | |||||
| South Korea | Durumi | R4E Sky Eye/KAL project | KARI project | KAI project | ||
| Singapore | Searcher/Scout | |||||
| Taiwan | Kestrel II | |||||
| Thailand | Searcher | |||||
| India | Searcher II | Heron | ||||
| Iran | Mohajer II | |||||
| Pakistan | Vector | |||||
| Sri Lanka | Searcher/Scout | |||||
| Abu Dhabi | Seeker | |||||
| Israel | Searcher/Scout | Hermes 450 | ||||
| Syria | Tu-143 | |||||
| Turkey | Gnat 750 | |||||
| UAE | RemoEye | Exdrone | ||||
| Africa | ||||||
| Algeria | Seeker | |||||
| Botswana | Hermes 180 | |||||
| Egypt | R4E Sky Eye | Camcopter | Scarab | |||
| Morocco | R4E Sky Eye | |||||
| South Africa | Seeker/Vulture | Bateleur | ||||
| Tunisia | Annasnas | |||||
| Europe | ||||||
| Austria | AT-1/AT-2 Aspic | |||||
| Belgium | B-Hunter | |||||
| Bulgaria | Vigilant F2000 | |||||
| Croatia | BLSB Bird | |||||
| Czech Rep. | Sojka | Tu-143 | ||||
| Denmark | Sperwer | |||||
| Finland | Ranger | |||||
| France | Tracker | Crecerelle/Hunter | CL-289/ Neuron | Eagle 1 | ||
| Germany | Luna | Brevel | Seamos | CL-289 /Neuron/Barrakuda | Eurohawk | |
| Greece | Sperwer | Neuron | ||||
| Hungary | Sojka | |||||
| Italy | Mirach 26 | Sky-X / Neuron | Predator | |||
| NATO | AGSS | |||||
| Netherlands | Sperwer | |||||
| Romania | Shadow 600 | Tu-143 | ||||
| Russia | Yak-61 | Tu-141/ Tu-143 |
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| Slovakia | Tu-143 | |||||
| Spain | Alo | |||||
| Sweden | Ugglan/Vanguard | SHARC / Neuron | ||||
| Switzerland | Ranger | Neuron | ||||
| Ukraine | Remez 3/ Albatros 4 |
Tu-141/ Tu-143 |
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| United Kingdom | Scan Eagle | Phoenix | Raven | Watchkeeper 450 |