Columbia subject headings:
Combat survivability (Military engineering)
Harvard subject headings:
Airplanes, Military--United States--Combat survivability.
Combat survivability (Military engineering)
F-22 (Jet fighter plane)--Testing--Government policy--United States.
Princeton subject headings:
Airplanes, Military--United States--Combat survivability.
F-22 (Jet fighter plane)--Testing--Government policy--United States.