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Smart Bombs: Military, Defense and National Security

FOBS: China’s Mach 5 Hypersonic Missile is a Threat to the U.S. Military

Hypersonic Missiles
Hypersonic Missile Sample Image VIA DARPA.

The Pentagon is clearing up a mystery by adding more details to a Chinese hypersonic missile test that shocked the world in 2021. This ushered in an arms race among China, Russia, and the United States to see who could dominate the growing category of MACH 5-plus missiles. The Chinese test of its “fractional orbit bombardment” (FOBS) system – a hypersonic missile that can fly around the globe in low earth orbit and wait for the most opportune time to swoop down and glide to its target.

FOBS: Shot Heard Round the World

Such a nuclear-capable weapon would require a feat of engineering for the United States to intercept, and it was a shot heard round the world upon its test last year. In the recently released Department of Defense China Military Power Report, the authors said the FOBS weapon traveled nearly 25,000 miles – quite a journey for a new system. The military power report explains in finer detail the latest developments in China’s strategy, force posture, and new weapons systems. The report confirmed the FOB test happened on July 27, 2021.

Performance Likely Exceeded Chinese Expectations

The research claimed that the Chinese used an intercontinental ballistic missile to lift the hypersonic glide vehicle into low earth orbit. The glide vehicle flew around the earth and then landed in China close to its intended target. The flight lasted over 100 minutes, according to the report. That’s the longest and lengthiest mission of any Chinese land attack weapon to date.

The Nuclear Arms Race with the Chinese Is In Effect   

China is likely concerned about America’s first and second nuclear strike capability and wanted a weapon that could foil U.S. defenses should a nuclear exchange ever occur between the two countries. China could be working on other nuclear-capable weapon systems to match the United States, the report said.

Hard to Detect and Trace Its Path

The FOB is dangerous because it has a different flight path and trajectory than a typical ICBM. The FOBS travels in unpredictable vectors. Since U.S. radars are set up to track the arc of an ICBM, the FOB could trace a pattern that could evade sensors. The FOB is not only hypersonic but also maneuverable and can wait for the optimum time to re-enter into the earth’s atmosphere before early warning radar could spot it. Interception of the FOB could be thus extremely difficult if not impossible to stop.

No Timeline Available for the FOBS to Be Fully Operational

The military power report did not contain information on how the United States could protect itself from such a weapon. The authors also did not offer details about when the FOBS would be operational or if it would be tested again anytime soon.

What Can the U.S. Do to Defend Against It?

The United States will have to rely on its Missile Defense Agency to plot the way forward to defend against the FOB. Counteractions against any hypersonic weapons by the Americans are limited at this time. There are efforts to create a satellite constellation in medium earth orbit specially tuned to sniff out a hypersonic launch in its early stages. SM-6 missile interceptors could be effective against some hypersonic weapons.

More to Stew Over

The FOB is a headache for the Department of Defense. The Chinese seem to be testing effective new arms systems to force the Americans to spend more on its military to keep up. The United States has new Chinese ships and next-generation airplanes to worry about. Now, it could have its first nuclear strike advantage challenged by China. An intense barrage of Chinese ICBMs and perhaps hypersonics like the FOB could overwhelm U.S. missile defenses.

There is also no arms control mechanism in place to slow down this race. While the United States may not wave the white flag and beg the Chinese to attend arms limitation talks, it may take negotiations under consideration if Beijing continues to leap ahead with advanced hypersonic glide vehicles that are nuclear capable.

Expert Biography: Serving as 1945’s Defense and National Security Editor, Dr. Brent M. Eastwood is the author of Humans, Machines, and Data: Future Trends in Warfare. He is an Emerging Threats expert and former U.S. Army Infantry officer. You can follow him on Twitter @BMEastwood. He holds a Ph.D. in Political Science and Foreign Policy/ International Relations.

Written By

Now serving as 1945s New Defense and National Security Editor, Brent M. Eastwood, PhD, is the author of Humans, Machines, and Data: Future Trends in Warfare. He is an Emerging Threats expert and former U.S. Army Infantry officer.

3 Comments

3 Comments

  1. pagar

    December 2, 2022 at 11:30 am

    The starry sky 2 waverider flies through upper atmosphere region at mach 6.

    Mach 6 = 6 x 1,230
    = 7,380 kph or about 4,600 mph

    or about 1.4 times faster than a hi velocity rifle round.

  2. 403Forbidden

    December 2, 2022 at 11:39 am

    That July 2021 around the gobe test flight is the result of US Navy endlessly sailing by their coasts and USAF constantly flying by their islands and taking Reuters & CNN photographers and pen pushers along for the ride.

    Those sail-bys and fly-bys are exactly like showing the finger to them, and has directly caused them to show the veiled fist as a retaliatory or counter display.

    A fist that moves at mach 5.

  3. Commentar

    December 2, 2022 at 11:52 am

    There really ain’t any need to employ ICBM-launched FOBS gliders to knock some sense into uncle sam’s warloving DoD.

    ICBM FOBS are expensive and resource-hungry.

    A better system would be like employing or building a fleet of x-37b-class spaceplanes that can launch kinetic payloads while circling the planet at 17,600 mph.

    A maneuvering kinetic projectile should easily be able to evade interception while heading straight for the west wing or capitol hill or a carrier parked at San Diego.

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