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SESK: Stuff Everyone Should Know · sesk.info/aero-stealth-b2-f117

Which two aircraft use stealth technology to make radar detection harder?

The B-2 and the F-117A use low-observable stealth technology.

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  1. The B-52 and the KC-135
  2. The X-15 and the XB-70
  3. The B-2 and the F-117A ✔

Why: Stealth aircraft use special shapes, materials and coatings to reduce their radar signatures. They are harder to detect and track, but they are not truly invisible to radar.

Huh, didn't know that: The Air Force publicly acknowledged the F-117's existence in November 1988.

The dad joke
Why are stealth planes bad at telling jokes? Nobody ever sees them coming.
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References

Answer: The B-2 and the F-117A. Stealth aircraft use special shapes, materials and coatings to reduce their radar signatures. They are harder to detect and track, but they are not truly invisible to radar.

  1. B-2 Spirit, United States Air Force www.af.mil/About-Us/Fact-Sheets/Display/Article/104482/b-2-spirit
    These signatures make it difficult for the sophisticated defensive systems to detect, track and engage the B-2.
    Checked 2026-10-10.
  2. F-117 retirement, Air Force Materiel Command www.afmc.af.mil/News/Article-Display/Article/154866/air-force-plans-retirement-ceremony-to-commemorate-f-117
    While not invisible to radar, the Nighthawk's distinctive, faceted shape and a special low observable coating combined to greatly reduce its radar cross section.
    Checked 2026-10-10.
  3. F-117 retirement, Air Force Materiel Command www.afmc.af.mil/News/Article-Display/Article/154866/air-force-plans-retirement-ceremony-to-commemorate-f-117
    its existence was first publicly acknowledged only in November 1988
    Checked 2026-10-10.

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