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Supersonic Striker

Short answer: The B-1 began as the Mach 2 B-1A, which was canceled in 1977. It was revived in 1981 as the B-1B, a stealthier and heavier interim bomber, while the B-2 was delayed.

Rockwell delivered all 100 B-1Bs between 1985 and 1988, and the type reached initial operating capability on nuclear alert in October 1986. Its wings sweep from 15° (137 ft span) back to 67.5° (79 ft). Top speed is about Mach 1.2. The U.S. dropped the B-1's nuclear mission in 1994, and its nuclear hardware was stripped out by March 2011 under New START, with Russian inspectors verifying it. Today it's a conventional-only bomber, nicknamed the 'Bone'.

VideoWrite-up5 sources

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What should you know about Supersonic Striker?

Quick facts. Each one stands alone and has a stable ID you can cite.

  1. The B-1B's wings swing from 15° to 67.5°, shrinking its wingspan from 137 ft to 79 ft for high-speed flight.

    DD-036-F01 · Write-up · Exhibit C (Swing wings)

  2. The B-1B was stripped of all nuclear capability by 2011 under New START, and Russian inspectors could verify it every year.

    DD-036-F02 · Write-up · Exhibit E (Nukes out)

Video transcript: Supersonic Striker: The B-1 Was Built to Carry Nukes but Now Flies Conventional Only

DID YOU KNOW? The Rockwell B-1 Lancer is a long-range, supersonic strategic bomber developed for the United States Air Force during the Cold War. Entering service in the 1980s, the B-1B variant features variable-sweep wings that can pivot backward for high-speed flight or extend outward for better lift and fuel efficiency during takeoff and cruising. Designed originally to deliver nuclear weapons, it was later converted primarily for conventional missions. NOW YOU KNOW!

Burned-in captions, read frame by frame (see transcript.md) · 23.7s Reel ·

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Supersonic Striker: The B-1 Was Built to Carry Nukes but Now Flies Conventional Only Instagram Reel · · 23.7s

The write-up

The B-1 was built to carry nukes but now flies conventional only. Its nuclear gear was removed and verified under the New START treaty.

  1. Exhibit A

    From B-1A to B-1B

    The original B-1A was canceled in 1977. The program was revived in 1981 as the B-1B, an interim bomber while the B-2 was delayed. Engineers cut the radar cross-section by an order of magnitude and added 74,000 lb of payload capacity, but the redesigned inlets dropped its top speed to about Mach 1.2.

  2. Exhibit B

    Into service

    The first B-1B was delivered in 1985, and initial operating capability came on October 1, 1986, on nuclear alert with Strategic Air Command. All 100 aircraft were delivered by 1988. It was officially named 'Lancer' in 1990.

  3. Exhibit C

    Swing wings

    The wings pivot from 15° fully forward (a 137-ft span) for takeoff, landing and efficient cruise, back to 67.5° (79 ft) for high-speed dashes.

  4. Exhibit D

    Muscle

    Four GE F101 afterburning turbofans make more than 30,000 lb of thrust each. Maximum takeoff weight is 477,000 lb, and the B-1B can carry up to 84 500-lb bombs or 24 JASSM cruise missiles.

  5. Exhibit E

    Nukes out

    The U.S. eliminated the B-1's nuclear mission in 1994. Under START and then New START, the conversion to conventional-only was completed in March 2011: nuclear pylons were destroyed, arming wiring was removed and hardpoints were modified.

  6. Exhibit F

    Russians check

    New START gave Russia annual inspections at Ellsworth or Dyess AFB, where it could examine up to three B-1Bs to confirm they can't carry nuclear weapons.

  7. Exhibit G

    The 'Bone'

    The nickname comes from an early newspaper article that spelled the plane 'B-ONE' with the hyphen dropped.

Questions people ask about Supersonic Striker

What is the B-1 Lancer's nickname?

An early newspaper wrote 'B-ONE' without the hyphen, and it stuck.

Source: Write-up · Exhibit G (The 'Bone') · Rockwell B-1 Lancer (Wikipedia)

When did the B-1B reach initial operating capability?

IOC was October 1, 1986, on nuclear alert.

Source: Write-up · Exhibit B (Into service) · Rockwell B-1 Lancer (Wikipedia); B-1B Lancer fact sheet (U.S. Air Force); B-1B 'Lancer' fact sheet, Hill Aerospace Museum (Hill AFB, archived)

What can the B-1B's wings do?

Swept back, the span shrinks from 137 ft to 79 ft for high speed.

Source: Write-up · Exhibit C (Swing wings) · B-1B Lancer fact sheet (U.S. Air Force); B-1B 'Lancer' fact sheet, Hill Aerospace Museum (Hill AFB, archived)

Can today's B-1B carry nuclear weapons?

Nuclear pylons and wiring were removed under New START.

Source: Write-up · Exhibit E (Nukes out) · B-1B Lancer fact sheet (U.S. Air Force); Rockwell B-1 Lancer (Wikipedia); New START Protocol, Part Nine: Converted B-1B Heavy Bombers (Office of the Assistant Secretary of Defense for Acquisition)

How did Russia verify the B-1B's conversion?

New START allowed yearly inspections at Ellsworth or Dyess AFB.

Source: Write-up · Exhibit F (Russians check) · New START Protocol, Part Nine: Converted B-1B Heavy Bombers (Office of the Assistant Secretary of Defense for Acquisition); New START Article-by-Article Analysis, Part Nine (OASD Acquisition)

Test Your Knowledge

All quizzes →

5 questions, all from this case file. Answers are revealed instantly.

  1. What is the B-1 Lancer's nickname?

    1. The Bone
    2. The Buff
    3. The Warthog
    4. The Spirit
    Show the answer

    Answer: A. The Bone An early newspaper wrote 'B-ONE' without the hyphen, and it stuck. Source: Write-up · Exhibit G (The 'Bone') · Rockwell B-1 Lancer (Wikipedia)

  2. When did the B-1B reach initial operating capability?

    1. 1974
    2. 1986
    3. 1997
    4. 2005
    Show the answer

    Answer: B. 1986 IOC was October 1, 1986, on nuclear alert. Source: Write-up · Exhibit B (Into service) · Rockwell B-1 Lancer (Wikipedia); B-1B Lancer fact sheet (U.S. Air Force); B-1B 'Lancer' fact sheet, Hill Aerospace Museum (Hill AFB, archived)

  3. What can the B-1B's wings do?

    1. Fold for storage
    2. Sweep from 15° to 67.5°
    3. Detach in emergencies
    4. Rotate 360°
    Show the answer

    Answer: B. Sweep from 15° to 67.5° Swept back, the span shrinks from 137 ft to 79 ft for high speed. Source: Write-up · Exhibit C (Swing wings) · B-1B Lancer fact sheet (U.S. Air Force); B-1B 'Lancer' fact sheet, Hill Aerospace Museum (Hill AFB, archived)

  4. Can today's B-1B carry nuclear weapons?

    1. Yes, always
    2. Only in wartime
    3. No; it was converted to conventional-only by 2011
    4. Only cruise missiles
    Show the answer

    Answer: C. No; it was converted to conventional-only by 2011 Nuclear pylons and wiring were removed under New START. Source: Write-up · Exhibit E (Nukes out) · B-1B Lancer fact sheet (U.S. Air Force); Rockwell B-1 Lancer (Wikipedia); New START Protocol, Part Nine: Converted B-1B Heavy Bombers (Office of the Assistant Secretary of Defense for Acquisition)

  5. How did Russia verify the B-1B's conversion?

    1. Satellite photos only
    2. Annual inspections of up to three B-1Bs
    3. A one-time letter
    4. It couldn't
    Show the answer

    Answer: B. Annual inspections of up to three B-1Bs New START allowed yearly inspections at Ellsworth or Dyess AFB. Source: Write-up · Exhibit F (Russians check) · New START Protocol, Part Nine: Converted B-1B Heavy Bombers (Office of the Assistant Secretary of Defense for Acquisition); New START Article-by-Article Analysis, Part Nine (OASD Acquisition)

Cite this case file

Easterling, Marcus. "Supersonic Striker." The Detail Department (DetailEnjoyer), case file DD-036, last updated Mar 14, 2026. https://detailenjoyer.com/case/supersonic-striker/

Permalink: https://detailenjoyer.com/case/supersonic-striker/ · Last updated

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