SimilarityRank
refuelling 0.889 68122
refuel 0.817 48041
resupply 0.779 68329
tankers 0.740 34211
tanker 0.734 26861
airlift 0.734 74347
unmanned 0.733 26624
C-130 0.733 83046
B-52 0.718 82982
aircraft 0.713 3392
shuttle 0.711 10121
take-off 0.710 38561
takeoff 0.707 30924
propulsion 0.701 25467
interceptor 0.700 66111
interceptors 0.690 82361
fuel 0.689 1992
helicopters 0.688 16101
turboprop 0.686 96919
seaplane 0.682 73859
aircrafts 0.682 53087
air-to-air 0.676 87779
submarines 0.675 26239
shuttles 0.673 37685
freighters 0.670 77544