North American XB-70 Valkyrie
Douglas XB-43 Jetmaster
Douglas XB-42 Mixmaster
North American XB-28 Dragon
Boeing XB-39 Superfortress
Convair XB-53
Boeing XB-38 Flying Fortress
Boeing XB-15
Martin XB-16
Martin XB-33 Super Marauder
Martin XB-51
Fokker XB-8
Boeing XB-59
North American XB-21
Boeing XB-55
Martin XB-48
Martin XB-27
Huff-Daland XB-1
Douglas XB-31
Lockheed XB-30
Douglas XB-22
(7952) 1992 XB
(5874) 1989 XB
Convair XB-46
Douglas XB-19
Martin 316
Martin B-10
Boeing XB-56
Consolidated XB-41 Liberator
North American B-45 Tornado
Boeing B-50 Superfortress
Boeing B-47 Stratojet
132 Aethra
296 Phaëtusa
175 Andromache
Ceres (hành tinh lùn)