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Army Revives Giant Cannon to Advance Hypersonic Testing

The U.S. Army says it has successfully completed a live-fire test of a hypersonic warhead using a cannon-based launch system at Yuma Proving Ground, Arizona, a demonstration that could provide a cheaper and faster way to evaluate the terminal performance of future hypersonic weapons. The gun in question is the Heavy Artillery Test System (HATS), or a modification of it, from the canceled Strategic Long Range Cannon (SLRC), a huge artillery piece intended to be able to hit targets out to a range of 1,000 miles or more. This suggests that the program could still provide value, this time in the test world.

According to the latest issue of The Outpost, the in-house news organ of the Army’s Yuma Proving Ground, the test marks the first successful live-fire demonstration of a full-scale hypersonic warhead launched from what it describes as a “cannon base test system.” Rather than relying on an expensive flight test of an operational hypersonic missile, the approach uses a gun to accelerate the warhead to high speed before impact, allowing engineers to study its lethality under controlled conditions. Hypersonic velocity means speeds of Mach 5 and above.

The concept has been under development for roughly two years as a way to create what the Army calls “a high throughput, alternative method for assessing terminal effects at velocity and scale.” While the release does not disclose the velocity achieved during the test, or exactly when it occurred, the underlying idea is straightforward. Hypersonic weapons derive some of their destructive effect from the enormous kinetic energy they carry into a target, as well as, at least in some cases, a relatively small warhead. A large-caliber gun offers a comparatively inexpensive way to reproduce at least part of a hypersonic weapon’s terminal conditions without expending an entire missile or firing from an airborne launch platform, costing millions of dollars.

A full view of the live-fire test of a hypersonic warhead using the Heavy Artillery Test System (HATS) at Yuma Proving Ground, Arizona. U.S. Army

The effort brought together researchers from Lawrence Livermore National Laboratory and the Army Combat Capabilities Development Command Armaments Center (DEVCOM-AC), which developed a specialized launch package capable of surviving the extreme acceleration generated inside the gun barrel. Engineers also incorporated a DEVCOM-AC electronic safe-and-arm fuze while analyzing the internal ballistic forces the warhead would experience during launch. The extreme acceleration of being fired out a cannon is one major difference a warhead or test article would have to endure compared to being mounted on an actual missile and that must be accounted for.

Before the live-fire event, the team conducted an inert proof-of-concept firing that validated the overall approach. Army officials said those results led to a series of design refinements before progressing to a live warhead.

A model of a Strategic Long Range Cannon concept, in black, situated between models of more traditional tracked self-propelled howitzers. The SLRC, or a modification of it, was used for hypersonic warhead testing at Yuma. U.S. Army

The service offered a detailed description of the final firing sequence.

After instrumentation checks and target preparation were completed, crews positioned the launch package, armed the fuze, and loaded the warhead and propelling charge. Personnel then withdrew to protective bunkers while test officials monitored telemetry.

As the article describes it, the test director issued the command to fire, followed by “a massive boom” that echoed across Yuma Proving Ground. Once the dust settled, engineers reviewed high-speed camera footage before confirming the shot had achieved all of its objectives. According to the Army, the silence was “quickly broken by loud cheers confirming a complete success.”

Beyond the immediate test, the Army reckons the capability could significantly increase the pace of hypersonic weapons development. Instead of relying exclusively on limited and expensive missile flight tests, engineers could use cannon-launched surrogates to generate impact data earlier and more frequently during development. The release says the demonstration has already attracted interest from multiple hypersonic programs that are considering incorporating the methodology into future test campaigns.

Although not mentioned in the article, the “cannon base test system” seen in the accompanying photo is the Heavy Artillery Test System (HATS) that was developed under the Strategic Long Range Cannon (SLRC) program before that was axed, when Congress directed the Army to stop funding the weapon in its fiscal 2022 appropriations act.

The section on the Strategic Long Range Cannon in the Army’s 2022 Fiscal Year budget proposal. U.S. Army

At the time, the service said it wanted to move funds into a more general account that it could use to help mature various advanced technologies.

The Army also said that it planned to complete various research and development and testing of SLRC components in the 2021 fiscal year. This included work on the very large rocket-assisted projectile that was supposed to give the cannon its 1,000-mile-plus range, as well as “system integration and technology maturation for SLRC to include designs for long lead prototypes to be used in upcoming major system level demonstrations.”

A graphic showing a notional SLRC design that emerged in 2021, with the gun on a “platform” style mount attached at the front to an 8×8 Oshkosh M1070 Heavy Equipment Transporter System (HETS) tractor and at the rear to a three-axle trailing section. The Yuma test involved a static gun mounting. U.S. Army

Returning to hypersonic testing, other alternatives to end-to-end missile flights include rocket sleds, which have long been used to replicate high speeds to test different technologies.

Back in 2022, as you can read about here, the U.S. Air Force successfully recovered a reusable rocket sled after traveling at a recorded speed of 6,400 feet per second, or just about Mach 5.8, beyond the hypersonic threshold, at Holloman Air Force Base, New Mexico.

This was the first time the Air Force successfully recovered a reusable rocket sled after traveling at such a speed. Being able to recover reusable sleds after traveling at hypersonic speeds allows for the collection of critical post-testing data, which is particularly important for hypersonic weapons testing.

Roughly 10 miles long, the Holloman High-Speed Test Track (HHSTT) is the only track capable of recovering sleds that hit hypersonic velocity via high-speed braking.

The Air Force also began the Hypersonic Readiness program (HSR) in 2020, which focused principally on fielding a hypersonic nine-inch monorail sled test with high-speed braking capability.

A reusable rocket sled travels at 6,400 feet per second on a monorail before being recovered as part of the Hypersonic Sled Recovery effort at the High-Speed Test Track at Holloman Air Force Base, New Mexico, in 2022. U.S. Air Force

In general, hypersonic testing, a major priority across the U.S. military, is intended to push weapons and their components to the limits of what they can withstand. Test articles are subjected to the extreme heat, pressure, and mechanical loads associated with sustained flight at speeds above Mach 5 to determine whether materials, structures, and subsystems can survive the operational environment.

If the new gun-based approach proves broadly applicable, it could offer one answer to a persistent challenge in hypersonic development: generating meaningful terminal-effects data without consuming scarce and costly prototype missiles.

Exactly how closely the cannon-launched tests replicate the conditions experienced during an actual hypersonic weapon’s flight, and what velocity envelope the Army has achieved, remain unclear. Those details may ultimately determine how valuable the new test capability becomes across the Pentagon’s growing portfolio of hypersonic weapons. At the same time, any help in accelerating hypersonic weapons development would likely be of high value as China, in particular, has gained a clear lead in this critical new capability set.

Special thanks to X user @lfx160219 for alerting us to this story.

Contact the author: thomas@thewarzone.com

Thomas Newdick is a staff writer at TWZ, where he covers military aviation, defense technology, weapons systems, and international security. Based in Berlin, Germany, he reports on conflicts, military modernization efforts, and emerging aerospace technologies around the world, with a particular interest in airpower and its role in contemporary warfare. His reporting is informed by deep expertise in modern and historical airpower, particularly in Europe, with a focus on military aviation, air campaigns, and aerospace developments across the continent and beyond.




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Trump revives anti-weaponization fund after saying it was ‘dead’

Aug. 1 (UPI) — President Donald Trump on Saturday said he would push to codify into law his controversial $1.776 billion anti-weaponization fund if two senators continue to block the confirmation of his nominee for attorney general.

Sens. John Cornyn, R-Texas, and Thom Tillis, R-N.C., have opposed the confirmation of Acting Attorney General Todd Blanche for a permanent role in opposition to the fund.

Speaking to reporters at Camp David on Friday, Trump had admitted the fund was “dead” — but flip flopped in a statement the following day.

“If Senators Cornyn and Tillis, both upset because I wouldn’t Endorse them (they lost, and quit, respectively!), aren’t going to approve Todd Blanche, one of the most respected professionals, according to everybody, in the Country, to be the United States Attorney General, then I will keep Todd as Acting A.G., and push hard to get the Anti-Weaponization Bill, which takes care of those who have been so badly treated by the Crooked Joe Biden (and Obuma!) Administration (I get nothing, although I was treated horribly!), PASSED,” Trump said in a statement on Truth Social.

“Todd Blanche was a voice of reason!” he added. “It will immediately be back on the table, and I will get it done.”

The fund comes from a settlement, negotiated between Trump’s private attorneys and his Department of Justice, that would compensate people who feel they were unfairly targeted by the government, including Jan. 6 rioters.

The settlement would also include a provision that would shield Trump and businesses from IRS audits.

Blanche has said, at times, the anti-weaponization fund would not be moving forward.

But Cornyn and Tillis have asked Blanche for written assurances from the DOJ that the fund was gone for good, which he has failed to produce.

“Despite comments as late as yesterday that the fund is dead, President Trump clearly intends to resurrect the payout pot for punks either by inappropriately establishing another bogus fund or pushing Congress to vote for a bill that the majority of Republicans in the Senate would be against,” Tillis said in a statement on X.

“It’s unfortunate that Todd Blanche, who I consider qualified for the job, will not be confirmed because of this reversal,” the senator added. “Hopefully, we can resolve this by Tuesday.”

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Trump administration revives rule that could deny green cards to immigrants who use public benefits

The Trump administration is reviving a rule that could deny green cards to immigrants who use public benefits that could include food stamps, Medicaid, housing vouchers and others.

The policy, known as “public charge,” appeared on Thursday in the Federal Register and will be formally published on Monday.

The policy was first implemented in February 2020 as one of President Trump’s moves to limit legal immigration during his first administration, but it was reversed after Democratic President Biden came to power.

Its return comes when the Republican administration is implementing a hard-line policy to curb both illegal and legal immigration, and when the cost of healthcare and food is rising.

The federal government “is reaffirming the requirement of self-reliance, protecting public resources and ending policies that encouraged dependency on the backs of hard-working American taxpayers,” U.S. Citizenship and Immigration Services said in a post published on its X account.

“Under President Trump, USCIS is restoring the basic principle that immigrants must be able to support themselves,” the post said.

Under the policy, applicants for green cards have to show they wouldn’t be burdens to the country or “public charges.”

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Syrians optimistic but cautious as sanctions removal revives economic hopes | Politics News

Damascus, Syria – For many Syrians, the decades of rule by the al-Assad family – Hafez al-Assad from 1971 to 2000, then his son Bashar from 2000 to 2024 – were filled with oppression from the state and eventually more than a decade of civil war.

But one of the most important legacies has been an economic one – the result of the sanctions imposed by a number of countries, led by the United States, that effectively froze Syria out of the international economic system.

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Despite the fall of Bashar al-Assad after rebel groups defeated him in December 2024, many of the sanctions, including a “state sponsor of terrorism” designation, have remained.

The designation has impeded Syria’s rejoining of the international community, while sanctions have impacted Syrians. Sending money back home from abroad often requires routing transfers through neighbouring countries, such as Lebanon or Turkiye, while access to some websites and online services, including Netflix and Slack, may require a virtual private network.

But there has been a positive reaction to the announcement on Wednesday by US President Donald Trump that his administration will remove Syria from the state sponsor of terrorism list.

The lifting of previous US sanctions, such as those related to the Caesar Act, has not transformed the Syrian economy, but it is hoped that those linked to the “state sponsor of terrorism” listing will allow the country to finally flourish.

“God willing, it will improve things,” said Ihab, a pastry shop owner in central Damascus.

Reintegration

US sanctions are thought to have been a huge barrier to foreign investors since the rule of Bashar al-Assad.

The World Bank said that since 2011, sanctions have led to a major collapse in exports and an increase in the trade deficit.

After the fall of the al-Assad government, interim President Ahmed al-Sharaa’s administration has identified the removal of all international and US sanctions as the key to reinvigorating the economy.

Al-Sharaa, the former head of the al-Qaeda-aligned Nusra Front, was himself sanctioned by the United Nations and was wanted as a “terrorist” by the US. But he has made efforts to shed those associations and build trust internationally, including by pledging to play a role in the fight against ISIL (ISIS).

His efforts have largely been successful, with the European Union and the US removing many of the sanctions on Syria and on al-Sharaa himself. The sanctions linked to the US’s “state sponsor of terrorism” list are among the few to remain.

The first “state sponsor of terrorism” designation on Syria was during Hafez al-Assad’s rule in 1979, due to the government’s support for Palestinian armed groups.

Additional sanctions were imposed on the state and individuals associated with the al-Assad regime, due to their systematic use of torture and chemical weapons.

Some rebel groups were also sanctioned due to their links to al-Qaeda and other banned organisations.

Al-Sharaa ended al-Nusra Front’s affiliation with al-Qaeda in 2016 and effectively eschewed the group’s ideology.

He also moved to establish a broader, national armed coalition dedicated to fighting the Assad government, later becoming Hayat Tahrir al-Sham.

In May 2025, around the time Trump met al-Sharaa in Riyadh, the US president promised to remove many of the sanctions on the Syrian government. But the expected removal from the “state sponsor of terrorism” list will be particularly welcome as it gets rid of one of the main barriers for international banks and companies.

“This is extremely significant because it’s the last major impediment to international economic and political engagement with Syria and with the al-Sharaa administration, and in terms of reintegrating Syria back into the international order and indeed the international economic and political system,” Rob Geist Pinfold, a lecturer on security studies at King’s College London, told Al Jazeera.

Struggling economy

However, he is careful to add that the removal of the designation does not mean a flood of investment will instantly start pouring into Syria.

“This is a big hurdle that’s been overcome, but it doesn’t mean that there’s no more hurdles to investment or engagement with Syria.”

He added that international actors may be concerned about the government’s control and ability to confront remnants from the al-Assad regime, a potential ISIL (ISIS) comeback, bureaucratic impediments and corruption.

Some Syrians were also sceptical that the designation change would lead to instant results.

“This needs a long breath,” said a minimarket owner in Damascus, who refused to give his name. “You can’t sleep and wake up and expect change.”

He referred to ongoing economic problems and rising costs, as well as a recent fuel shortage.

“There’s no economy, and there’s no investment.”

Other Syrians were more hopeful that the economy, and other aspects of daily life, would improve. Still, there is a recognition that a little more patience is needed.

For some, that patience has worn out, such as the minimarket owner. Others, however, are biding their time.

At a juice stall in central Damascus, Zaher counted money received from a customer.

“I’m on the street with my cart and nobody is bothering me,” he said. “Electricity is getting better, but nothing gets better after just one day.”

“It took God Almighty six days to create Earth,” the 50-year-old said. “These things take time.”

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Chris Johnson revives 2014 viral ALS Ice Bucket Challenge

Former NFL running back Chris Johnson has issued a challenge to his family, friends and fans — one that could quite literally send a chill down the spine of those who remember a certain viral trend from more than a decade ago.

A quick refresher: A social media sensation went viral in 2014, involving people posting videos of themselves having a bucket of ice water poured over their heads and challenging others, by name, to do the same.

The trend was often referred to as the ALS Ice Bucket Challenge because many folks used the videos to raise awareness for and funding to help fight the degenerative neurological disorder amyotrophic lateral sclerosis, commonly known as ALS or Lou Gehrig’s disease.

Johnson, a three-time Pro Bowl selection who holds the NFL record for most yards from scrimmage in a single season, on Tuesday revealed on “Good Morning America” that he has been diagnosed with ALS. Soon after, former Utah basketball player and sports content creator Hunter Mecum posted a video on Instagram in which he dumped a large bowl of ice water on himself in Johnson’s honor.

That video inspired Johnson to bring the movement back.

“Man… the love y’all have shown me these last few days really [means] more than you know. Me and my family appreciate every prayer, message and every bit of support,” Johnson wrote on Wednesday on Instagram.

“After seeing @huntermecum video, I’m asking y’all to help me with something. Let’s bring back the ALS Ice Bucket Challenge. Grab a bucket, challenge 3 people and if you can, donate to help fund ALS research.”

Johnson included a link in his bio to a fundraiser for ALS research set up in his honor. As of Thursday morning, it had raised more than $32,000.

The retired player known as CJ2K also called on three people to accept the ice bucket challenge — ex-Tennessee Titans teammate LenDale White and fellow former NFL greats Marshawn Lynch and Adam “Pacman” Jones.

So far, White and Lynch have accepted Johnson’s challenge. Lynch, the former star running back for the Seattle Seahawks and Oakland Raiders, obliged by getting hailed on by a bucket of ice.

White, who was Johnson’s “Smash and Dash” counterpart in the Titans backfield, took the traditional ice water route and nominated former NFL players Deion Sanders, Vince Young and Michael Sims-Walker, who was on hand at the time and accepted the challenge in a separate video.

Johnson also posted a video of his daughter Honey Love taking the challenge, with White handling the ice-bucket duty. She nominated her brothers and former Lakers superstar LeBron James.

James hasn’t yet responded, but he was one of the many celebrities who took part in the original challenge 12 years ago. Others included Kobe Bryant (who submerged himself in an ice tub), Shaquille O’Neal (who humorously poured one drop of water on his head) and Donald Trump (who joked he was nominated because “they want to see whether or not it’s my real hair, which it is”).



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Jo Adell revives José Canseco meme by giving up homer off his head

Nothing could possibly generate a headline Tuesday night when the worst American League team — the Angels — played host to the perhaps the worst National League team — the Colorado Rockies.

Except. . .

This.

A fly ball conked Angels right fielder Jo Adell on the head and bounced over the fence for a home run, reminding fans of José Canseco’s similar gaffe 33 years ago.

Adell chased TJ Rumfield’s fourth-inning drive onto the Angel Stadium warning track and reached up to catch it. The ball grazed his glove before bouncing squarely on his noggin and over the wall.

The ball caromed back into the outfield and Rumfield momentarily stopped at second base. But the umpires confirmed the home run, coupling Adell with Canseco in numerous social media posts.

Canseco, the steroids-fueled, defensively challenged left fielder of the Texas Rangers, made a similar blunder on May 26, 1993, when a ball hit by Cleveland’s Carlos Martínez bounced off his head and over the wall.

Mike Trout presumably has witnessed every possible blooper, blunder and boo-boo in 16 seasons with the woeful Angels. The center fielder stood only a few feet from Adell when this one occurred and did not make himself available for comment afterward.

To his credit, Adell faced reporters.

“It looks like I’ve never played in the field before, which is disappointing, because it’s beyond the truth,” he said. “I’m the only one that really knows what happened. I was out there, and it happened to me, so it is what it is.

“It was kind of the icing on the cake, because I was [expletive] all the way around the whole day today.”

Adell was hitless in four at-bats, striking out twice, in the 8-2 loss that dropped the Angels to 23-39, the worst record in the AL.

The play was emblematic of Adell’s seven-year career with the Angels, who made him a first-round draft pick in 2017. At first blush, his lifetime Wins Above Replacement of 0.3 would indicate that he’s little better than the fictional minor league “replacement player” to which MLB players are compared in calculating the statistic.

Yet Adell’s physical tools and occasional highlights scream stardom. He shouldn’t be an ordinary Jo. The antithesis of the embarrassing episode Tuesday night came less than two months ago when he robbed the Seattle Mariners of three home runs in one game.

“It was the Jo Show,” Angels manager Kurt Suzuki said at the time. “This guy works as hard as anybody I’ve ever been around. His work ethic, attention to detail, his desire to improve every single day. To see him do that, I don’t believe you’ll see that again.”

Suzuki, who was Adell’s teammate in 2021 and 2022, likely never thought he would see a fly ball bounce off the outfielder’s head and into the stands, the Jo Show shifting to Oh, No!

“I saw the play, but for me, Jo’s made great strides defensively from when I played with him,” Suzuki said Tuesday. “And obviously, he had the night he robbed three home runs. It was a tough play tonight, but at the same time, the strides that he’s made defensively have been great.”

Adell was considered a defensive liability early in his career and was saddled with a four-base error in 2020 when a fly ball hit his glove and went over the fence. But he steadily improved and became a Gold Glove Award finalist in 2024.

That didn’t stop the “Tarps Off” throng of shirtless fans at Angel Stadium from chanting Adell’s name after the gaffe against the Rockies. For his sake, they likely will revert to imploring Angels owner Arte Moreno to “sell the team” soon enough.

Adell might have to stay away from social media forever, but he would like to forget the ball bouncing off his head as soon as possible.

“That’s what we have to do,” he said. “I mean, there’s really no other way around it. Let it fester and tumble over, but these are plays I’ve made hundreds and thousands of times. I’ve got to just keep going, and as a team, we’ve got to keep going.”

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