Related by context. Frequent words. (Click for all words.) 66 reconnaissance 64 aerial surveillance 59 reconnaissance missions 56 aerial 56 reconnaissance planes 53 satellite imagery 51 reconnaissance aircraft 51 helicopters 50 sorties 47 aerial photographs 47 unmanned aerial vehicle 47 aerial surveys 47 troop movements 47 remote sensing 47 aircrews 47 overflights 46 unmanned spy 46 UAVs 46 unmanned aerial vehicles 46 unmanned surveillance 46 aerial photography 45 flybys 45 Global Hawk 44 warplanes 44 surveillance drones 44 helicopter 44 Reconnaissance 44 unmanned drone 44 Envisat 44 UAV 44 spy satellites 44 unmanned aerial 44 airforce 44 unmanned 43 recon 43 Aerial 43 overflight 43 missions 43 Landsat 43 airfields 43 airdrops 43 unmanned aircraft 43 Prazuck 43 Helicopter gunships 42 overwatch 42 fighter planes 42 aircrew 42 pilotless drones 42 airbases 42 fighter bombers 42 artillery 42 Apache helicopters 41 F/A-#s 41 naval ships 41 electronic warfare 41 squadron 41 helicopter gunship 41 infantry 41 resupply 41 flyby 41 binoculars 41 geophysical survey 41 thermal imaging 41 drones 41 night vision goggles 41 Blackhawk helicopters 41 overflying 41 paratroopers 40 helicopter gunships 40 fly bys 40 sortie 40 Blackhawk helicopter 40 patrols 40 fighter jets 40 radars 40 warships 40 MONUSCO 40 naval vessels 40 AWACS 39 Orions 39 panoramic camera 39 gunships 39 Chinook helicopters 39 Predator drone 39 precision guided munitions 39 satellites 39 unmanned drones 39 squadrons 39 aerial bombardment 39 surveillance 39 aerial firefighting 39 troops 39 situational awareness 39 F #E Strike 39 ScanEagle 38 airborne geophysical survey 38 gunship 38 choppers 38 army 38 EUFOR 38 airborne