MilitaryExperimental & historic pioneersDoak VZ-41958 experimental VTOL aircraft model by Doak Aircraft Company1958
MilitaryReconnaissance & surveillanceDobi-II1923 reconnaissance aircraft model by Jurgis Dobkevicius1923
MilitaryReconnaissance & surveillanceService technique de l'aéronautique Dorand ARTwo-seat military observation aircraft1916
MilitaryExperimental & historic pioneersArmand Dufaux Dufaux 4Experimental aircraft of Switzerland1909
MilitaryExperimental & historic pioneersDuigan pusher biplane1910 experimental aircraft by Australian inventor John Duigan1910
MilitaryReconnaissance & surveillanceGrumman E-1 TracerCarrier-capable airborne early warning aircraft family by the Grumman Corporation1956
MilitaryReconnaissance & surveillanceNorthrop Grumman E-2 HawkeyeThe carrier-based eye in the sky1960648 km/h