Fact Check: The combat radius of the F-35 fighter jet is approximately 1000 kilometers, compared to approximately 2000 kilometers for the Chinese J-20 or Russian Su-34.

Published June 16, 2025
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VERDICT
Partially True

# Fact Check: "The combat radius of the F-35 fighter jet is approximately 1000 kilometers, compared to approximately 2000 kilometers for the Chinese J...

Fact Check: "The combat radius of the F-35 fighter jet is approximately 1000 kilometers, compared to approximately 2000 kilometers for the Chinese J-20 or Russian Su-34."

What We Know

The claim compares the combat radius of three advanced fighter jets: the F-35, the Chinese J-20, and the Russian Su-34. The combat radius is a critical metric that indicates how far a fighter jet can operate from its base while still having enough fuel to return.

  1. F-35 Combat Radius: The F-35 has a combat radius of approximately 1,000 kilometers (620 miles) when performing air-to-air missions, according to various military sources and analyses (source-7).

  2. Chinese J-20 Combat Radius: The J-20 is reported to have a combat radius that is often cited as being around 1,100 to 1,200 kilometers (683 to 746 miles) in air superiority missions. However, some analyses suggest that its range could be similar to or even shorter than that of the F-35 due to its larger size and design (source-3).

  3. Russian Su-34 Combat Radius: The Su-34 has a combat radius of approximately 1,200 kilometers (746 miles) for air-to-ground missions. This is a more versatile aircraft designed for multi-role capabilities, including strike missions (source-5).

Analysis

The claim that the F-35 has a combat radius of approximately 1,000 kilometers is accurate, as corroborated by multiple military sources (source-7). However, the assertion that the J-20 has a combat radius of approximately 2,000 kilometers is misleading. While some sources suggest that the J-20's combat radius is greater than that of the F-35, estimates generally place it between 1,100 and 1,200 kilometers, not 2,000 kilometers (source-3).

The Su-34's combat radius is also often cited as around 1,200 kilometers, which aligns with the claim but does not reach the 2,000 kilometers stated. The sources used to evaluate these claims vary in reliability; military analyses and reports from reputable defense publications tend to provide more accurate figures compared to speculative or less credible sources.

Conclusion

The claim is Partially True. The F-35's combat radius of approximately 1,000 kilometers is accurate. However, the assertion that the J-20 and Su-34 have combat radii of approximately 2,000 kilometers is not supported by credible evidence; both aircraft have lower estimated combat radii, generally cited around 1,100 to 1,200 kilometers.

Sources

  1. Chengdu J-20
  2. How China's J-20 Fighter Jets Compare to US F-35s
  3. F-35 Combat Radius: Tactical Reach of the Stealth Multirole Fighter
  4. Russian Su-57 and Chinese J-20 as Alternatives to the American F-35 Stealth Fighter

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