| Model | Designation | Manufacturer | Engine(s) | Other |
|---|---|---|---|---|
| XBQ-1 | Fleetwings | 2 Franklin O-405-7 | ||
| XBQ-2 | Kaiser-Fleetwings | 2 Lycoming XO-435-3 | ||
| XBQ-2A | Kaiser-Fleetwings | 2 Lycoming R-680-13 | ||
| XBQ-3 | Fairchild | 2 Ranger V-770-15 | ||
| XBQ-4 | Interstate | 2 Lycoming O-435-2 | TDR-1 | |
| XBQ-5 | Interstate | 2 Franklin O-405-2 | XTD2R-1 | |
| XBQ-6 | Interstate | 2 Wright R-975-13 Whirlwind | XTD3R-1 | |
| BQ-6A | Interstate | 2 Wright R-975-13 Whirlwind | ||
| BQ-7 | Flying Fortress | Boeing | 4 Wright R-1820-97 Cyclone | QB-17G |
| BQ-8 | Liberator | Consolidated | 4 Pratt & Whitney R-1830 Twin Wasp |
| Model | Designation | Manufacturer | Engine(s) | Other |
|---|---|---|---|---|
| YCQ-1A | Fletcher | 1 Wright R-760 Whirlwind | cancelled | |
| CQ-2 | Stinson | 1 Lycoming R-680-9 | ||
| CQ-3 | Expeditor | Beech | 2 Pratt & Whitney R-985 Wasp Junior | DC-45F |
| CQ-4 | Flying Fortress | Boeing/Lockheed/Douglas | 4 Wright R-1820-97 Cyclone | DB-17G |
| Model | Designation | Manufacturer | Engine(s) | Other |
|---|---|---|---|---|
| OQ-2 | Radioplane | 1 Righter O-15-1 | A-2, TDD-1 | |
| OQ-2A | Radioplane | 1 Righter O-15-1 | A-2A | |
| OQ-2B | Radioplane | 1 Righter O-15-1 | ||
| OQ-3 | Radioplane/Frankfort | 1 Righter O-15-3 | TDD-2 | |
| OQ-4 | Brunswick-Balke-Collender | |||
| OQ-5 | ||||
| OQ-6 | Radioplane | 1 Righter O-45 | ||
| XOQ-6A | Radioplane | 1 Righter O-45 | ||
| OQ-6A | Radioplane | 1 McCulloch O-90 | ||
| OQ-7 | Radioplane | 1 Righter O-15 | ||
| OQ-11 | Simmonds Aerocessories | 1 Herkimer | ||
| OQ-12 | Radioplane | |||
| OQ-13 | Radioplane | 1 Righter O-15 | ||
| OQ-14 | Radioplane/Frankfort | 1 Kiekhaefer O-45-1 | TDD-3 | |
| XOQ-15 | 1 Kiekhaefer O-45-35 | |||
| OQ-16 | Frankfort/Radioplane | 1 | TD3D-1 | |
| XOQ-17 | Radioplane | 1 Kiekhaefer O-45-35 | ||
| OQ-17 | Radioplane | 1 Kiekhaefer O-45-35 | XTD4D-1 | |
| OQ-18 | ||||
| OQ-19A | Radioplane | 1 McCulloch O-90 | KD2R-1 | |
| OQ-19B | Radioplane | 1 McCulloch O-90 | KD2R-2, MQM-33A | |
| OQ-19C | Radioplane | 1 McCulloch O-100 | KD2R-3 | |
| OQ-19D | Radioplane | 1 McCulloch O-100 | KD2R-4, MQM-33B |
| Model | Designation | Manufacturer | Engine(s) | Other |
|---|---|---|---|---|
| XPQ-8 | Culver | 1 Franklin O-200 | ||
| PQ-8 | Cadet | Culver | 1 Franklin O-200 | A-8, XTDC-1 |
| PQ-8A | Cadet | Culver | 1 Lycoming O-290 | A-8A, XTDC-2 |
| XPQ-9 | Culver | 1 Franklin O-300-3 | cancelled | |
| PQ-9 | Culver | 1 Franklin O-300-3 | cancelled | |
| XPQ-10 | Culver | 2 Franklin O-300 | cancelled | |
| PQ-10 | Culver | 2 Franklin O-300 | cancelled | |
| XPQ-11 | Fletcher | 1 Pratt & Whitney R-985 Wasp Junior | cancelled | |
| PQ-11A | Fletcher | 1 Pratt & Whitney R-985 Wasp Junior | ||
| XPQ-12 | Fleetwings | 1 Lycoming O-435-5 | cancelled | |
| XPQ-12A | Fleetwings | 1 Lycoming O-435-5 | ||
| YPQ-12A | Fleetwings | 1 Lycoming O-435-5 | ||
| PQ-12A | Fleetwings | 1 Lycoming O-435-5 | cancelled | |
| XPQ-13 | Erco | 1 Franklin O-300 | ||
| XPQ-14 | Cadet | Culver | 1 Franklin O-300 | |
| YPQ-14A | Cadet | Culver | 1 Franklin O-300-11 | |
| PQ-14A | Cadet | Culver | 1 Franklin O-300-11 | TD2C-1, Q-14A |
| YPQ-14B | Cadet | Culver | 1 Franklin O-300-11 | |
| PQ-14B | Cadet | Culver | 1 Franklin O-300-11 | Q-14B |
| XPQ-14C | Cadet | Culver | 1 Franklin O-300-9 | |
| XPQ-15 | Culver | 1 Franklin O-405 | XTD3C-1 |
| Model | Designation | Manufacturer | Engine(s) | Other |
|---|---|---|---|---|
| XQ-1 | Radioplane | 1 Giannini PJ39 | ||
| XQ-1A | Radioplane | 1 Continental YJ69-T-3 | ||
| YQ-1B | Radioplane | 1 Giannini XPJ39-GN-1 | ||
| XQ-2 | Firebee | Ryan | 1 Continental J69-T-19 | |
| Q-2A | Firebee | Ryan | 1 Continental J69-T-19B | |
| Q-2B | Firebee | Ryan | 1 Continental J69 | |
| XQ-2C | Firebee | Ryan | 1 Continental J69-T-29 | |
| Q-2C | Firebee | Ryan | 1 Continental J69-T-29 | BQM-34A |
| Q-2D | Firebee | Ryan | cancelled | |
| XQ-3 | Radioplane | |||
| XQ-4 | Radioplane | 1 Westinghouse XJ81-WE-3 | AQM-35A | |
| XQ-4A | Bendix | 1 Fairchild J83 | cancelled | |
| XQ-4B | Bendix | 1 General Electric J85-GE-5 | AQM-35B | |
| XQ-5 | Kingfisher | Lockheed | 2 Thiokol XM45 and 1 Marquardt XRJ43 | AQM-60A |
| XQ-6 | cancelled | |||
| XQ-9 | cancelled | |||
| XQ-10 | Radioplane | 1 McCulloch O-100-1 | ||
| Q-12 | Challenger | Beech | 1 Rocketdyne LR64-NA-4 | AQM-37A |
| Q-14A | Cadet | Culver | 1 Franklin O-300-11 | PQ-14A |
| Q-14B | Cadet | Culver | 1 Franklin O-300-11 | PQ-14B |
| DQ-14B | Cadet | Culver | 1 Franklin O-300-11 |
| Model | Designation | Manufacturer | Engine(s) | Other |
|---|---|---|---|---|
| RQ-1A | Predator | General Atomics | ||
| MQ-1B | Predator | General Atomics | ||
| RQ-1B | Predator | General Atomics | ||
| YMQ-1C | Gray Eagle | General Atomics | 1 Thielert Centurion 1.7 | Warrior |
| MQ-1C | Gray Eagle | General Atomics | 1 Thielert Centurion 1.7 | Warrior |
| RQ-1K | Predator | General Atomics | 1 Rotax 912 UL | |
| MQ-1L | Predator | General Atomics | 1 Rotax 914 UL | |
| RQ-1L | Predator | General Atomics | 1 Rotax 914 UL | |
| RQ-1P | General Atomics | |||
| RQ-1Q | General Atomics | |||
| RQ-1U | Trojan Spirit II | General Atomics | AN/TSQ-190(V) | |
| RQ-1W | General Atomics | |||
| RQ-2A | Pioneer | Pioneer UAV | 1 Sachs & Fichtel SF2-350 | |
| RQ-2B | Pioneer | Pioneer UAV | 1 UEL AR-741 | |
| RQ-2C | Pioneer | Pioneer UAV | 1 UEL AR-741 | |
| RQ-3A | Darkstar | Lockheed/Boeing | 1 Williams F129 | |
| YRQ-4A | Global Hawk | Teledyne Ryan | 1 Allison F137-AD-100 | |
| RQ-4A | Global Hawk | Teledyne Ryan | 1 Allison F137-AD-100 | |
| RQ-4B | Global Hawk | Northrop Grumman | 1 Allison F137-AD-100 | |
| MQ-4C | Global Hawk | Northrop Grumman | 1 Allison F137-AD-100 | RQ-4N |
| RQ-4N | Global Hawk | Northrop Grumman | 1 Allison F137-AD-100 | MQ-4C |
| MQ-5A | Hunter | TRW/Israel Aircraft Industries | 2 Moto Guzzi | |
| RQ-5A | Hunter | TRW/Israel Aircraft Industries | 2 Moto Guzzi | BQM-155A |
| MQ-5B | Hunter | Northrop Grumman | 2 Mercedes Benz 180 | |
| RQ-6A | Outrider | Alliant Techsystems | 1 UEL AR-801R | |
| RQ-7A | Shadow | AAI Corporation | 1 UEL AR-741 | |
| RQ-7B | Shadow | AAI Corporation | 1 UEL AR-741-1100 | |
| RQ-7C | Shadow | AAI Corporation | 1 | |
| RQ-8A | Fire Scout | Northrop Grumman/Ryan Aeronautical | 1 Allison 250-C20W | |
| MQ-8B | Fire Scout | Northrop Grumman/Ryan Aeronautical | 1 Allison 250-C20W | |
| RQ-8B | Fire Scout | Northrop Grumman/Ryan Aeronautical | 1 Allison 250-C20W | |
| YMQ-9A | Reaper | General Atomics | 1 Honeywell TPE-331-10T | |
| MQ-9A | Reaper | General Atomics | 1 Honeywell TPE-331-10T | |
| MQ-9B | Reaper | General Atomics | 1 Honeywell TPE-331-10T | |
| CQ-10A | Snow Goose | MMIST | 1 Rotax 914 UL | |
| RQ-11A | Raven | Aerovironment | 1 Aveox 27/26/7-AV | |
| RQ-11B | Raven | Aerovironment | 1 | |
| RQ-14A | Dragon Eye | Aerovironment | 2 Aveox 1105/6Y | |
| RQ-14B | Swift | Aerovironment | 2 Aveox 1105/6Y | |
| RQ-15A | Neptune | DRS Technologies | 1 LAE-150 | |
| YRQ-16A | T-Hawk | Honeywell | 1 Bower Twin 3W-56 | |
| RQ-16A | T-Hawk | Honeywell | 1 Bower Twin 3W-56 | |
| RQ-16B | T-Hawk | Honeywell | 1 Bower Twin 3W-56 | |
| YMQ-17A | SpyHawk | MTC Technologies | 1 Honda GX-57 | |
| YMQ-18A | Boeing | 1 | ||
| XMQ-19A | AAI Corporation | 1 Enya R120 (modified) | ||
| MQ-21A | Insitu | 1 | ||
| RQ-170 | Sentinel | Lockheed Martin | 1 |