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US X Series Overview

ManufacturerDesignationNameNote(s)
BellX-1
Formerly XS-1
BellX-2
Formerly XS-2
DouglasX-3StilettoFormerly XS-3
NorthropX-4BantamFormerly XS-4
BellX-5
Formerly XS-5
ConvairX-6
Projected nuclear-powered research variant of the B-36
LockheedX-7

Aerojet GeneralX-8Aerobee
BellX-9Shrike
North AmericanX-10

ConvairX-11

ConvairX-12

RyanX-13Vertijet
BellX-14

North AmericanX-15

BellX-16

LockheedX-17

HillerX-18

Curtiss-WrightX-19

BoeingX-20Dyna-Soar
NorthropX-21

BellX-22
Model D2127
Martin MariettaX-23PRIME
Martin MariettaX-24

BensenX-25

Schweitzer/LockheedX-26

LockheedX-27Lancer
PereiraX-28Osprey I
GrummanX-29

RockwellX-30NASP
Rockwell/MBBX-31EFM
BoeingX-32JSF
Lockheed MartinX-33

Orbital SciencesX-34

Lockheed MartinX-35JSF
BoeingX-36

BoeingX-37Future - X
Scaled CompositesX-38Lifeboat

X-39

BoeingX-40SMV

X-41


X-42

MicroCraftX-43Hyper-X
Lockheed Martin/BoeingX-44MANTA
BoeingX-45UCAV

Sources

Ruud Deurenberg, 23 September 2000

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