NEWS

This could be the Army's next rifle — and it's totally awesome

The U.S. Army's chief of staff recently made a bold promise that future soldiers will be armed with weapons capable of delivering far greater lethality than any existing small arms.


"Our next individual and squad combat weapon will come in with a 10X improvement over any existing current system in the world, and that will be critical," Gen. Mark Milley told an audience at AUSA 2017 on Oct. 10.

Milley's pledge to "significantly increase investments" in a leap-ahead small arms technology appeared low in the story I wrote for Military.com since soldier lethality was the lowest of the Army's top six modernization priorities.

As Milley was speaking, Textron Systems officials were showing off their new Intermediate Case-Telescoped Carbine, chambered for 6.5mm on the AUSA exhibition floor.

Textron Systems booth at AUSA on October 10, 2017 (Image, Textron Facebook)

The working prototype has evolved out Textron's light and medium machine guns that fire 5.56mm and 7.62mm case-telescoped ammunition developed under the Lightweight Small Arms Technology program.

Over the last decade, the Army has invested millions in the development of the program, which has now been rebranded to Textron's Case-Telescoped Weapons and Ammunition.

Textron's cased-telescoped ammunition relies on a plastic case rather than a brass one to hold the propellant and the projectile, like a conventional shotgun shell.

The ICTC is a closed bolt, forward feed, gas piston operated weapon, weighing 8.3 pounds. The 6.5mm case-telescoped ammunition weighs 35 percent less and offers 30 percent more lethality than 7.62mm x 51mm brass ammunition, Textron officials maintain.

"I think the most important thing is what we have been able to do with the intermediate caliber, the 6.5mm in this case," Wayne Prender, vice president of Textron's Control & Surface Systems Unmanned Systems told Military.com. "We are able to not only provide a weight reduction … and all the things that come with it – we are also able to provide increased lethality because of the ability to use a more appropriate round."

Textron officials maintain they are using a low-drag "representative" 6.5mm bullet while U.S. Army Armament Research, Development and Engineering Center, or ARDEC, is developing the actual projectile.

"We actually used three different bullet shapes and we scaled it," said Paul Shipley, program manager for of Unmanned Systems. "We scaled 5.56mm up, we scaled 7.62mm down and took a low-drag shape and ran that between the two" to create the 125 grain 6.5mm bullet that's slightly longer than the Army's new 130 grain M80A1 Enhanced Performance Round.

Textron officials maintain that the new round retains more energy at 1,200 meters than the M80A1. At that distance, the 6.5mm has an impact-energy of 300 foot pounds compared to the M80A1 which comes in at about 230 foot pounds of energy, Textron officials maintain.

The 5.56mm M855A1 Enhanced Performance Round. Army photo from Todd Mozes.

"The increased lethality we are referring to has to do with the energy down range," Shipley said. "You can take whatever kind of bullet you want, compare them and it's going to have increased energy down range."

Lethality has always been a vague concept. Is it the amount of foot pounds of energy at the target? Or is it the terminal performance, or the size of the wound channel, it creates after it penetrates an enemy soldier?

It's hard to predict how much performance will change if and when ARDEC creates a 6.5mm projectile that meets the Army's needs.

A lot can be done to predict performance with computer modeling, but ultimately there is no way of knowing how a conceptual bullet will perform until it is live-fire tested thousands of times under multiple conditions, according to a source with intimate knowledge of military ballistics testing.

The Army has also spent years developing its current M855A1 5.56mm and M80A1 7.62mm Enhanced Performance Rounds. After many failures, the service came up with a copper-jacketed round composed of a solid copper slug that sits behind a steel penetrator tip designed to defeat battlefield barriers and remain effective enough to kill or incapacitate.

Is the Army going to throw all of that away, invest millions of dollars to redesign its ammunition-making infrastructure to switch to case-telescoped ammunition?

"What they've got in stockpile does what it does, and they know that is not good enough anymore, so they are faced with that choice," Shipley said.

The Army has not come to a definitive conclusion on a future caliber, but it has been very open about its waning trust in the 5.56mm round.

In late May, Milley revealed to Congress that the M4 Carbine's M855A1 Enhanced Performance Round cannot penetrate modern enemy body armor plates similar to the U.S. military-issue rifle plates such as the Enhanced Small Arms Protective Insert, or ESAPI.

A group of 7.62mm rounds are staged in a UH-1Y Huey during Northern Strike 17 at the Combat Readiness Training Center Alpena, Mich., Aug. 10, 1017. Northern Strike is a joint exercise hosted by the Michigan Air National Guard that emphasizes on close air support and joint fire support to enhance combat readiness. Photo by Lance Cpl. Cody Ohira

In August, the service launched a competition to find an Intermediate Service Combat Rifle chambered 7.62mm NATO. The Army intended to purchase up to 50,000 new 7.62mm rifles to meet the requirement, according to the solicitation, but sources say that the service has already backed away from that endeavor.

Textron's 6.5mm case-telescoped carbine certainly looks like the leap-ahead, small-arms tech that the Army is searching for to arm its future soldiers.

Then again, the Army's imagination was also captured in the late 1990s by the Objective Individual Combat Weapon, or XM29.

Remember that? It featured a 20mm airburst weapon mounted on top of a 5.56mm carbine. XM29 had an advanced fire-control system that could program 20mm shells to burst at specific distances. At 18 pounds, it proved to be too heavy and bulky for the battlefield.

Textron officials maintain that case-telescoped carbine can be customized to whatever the Army wants.

"It's configurable," Shipley said. "The technology that is inside is what counts."

History

This pilot shot down an enemy fighter at Pearl Harbor in his pajamas

Comfort is important when doing a hard job. If it's hot on the work site, it's important to stay cool. If it's hazardous, proper protection needs to be worn. And comfort is apparently key when the Japanese sneak attack the Navy. Just ask Lt. Phil Rasmussen, who was one of four pilots who managed to get off the ground to fight the Japanese in the air.

Rasmussen, like many other American GIs in Hawaii that day, was still asleep when the Japanese launched the attack at 0755. The Army Air Forces 2nd Lieutenant was still groggy and in his pajamas when the attacking wave of enemy fighters swarmed Wheeler Field and destroyed many of the Army's aircraft on the ground.

Damaged aircraft on Hickam Field, Hawaii, after the surprise Japanese attack on Pearl Harbor.

There were still a number of outdated Curtiss P-36A Hawk fighters that were relatively untouched by the attack. Lieutenant Rasmussen strapped on a .45 pistol and ran out to the flightline, still in his pajamas, determined to meet the sucker-punching Japanese onslaught.

By the time the attack ended, Wheeler and Hickam Fields were both devastated. Bellows Field also took a lot of damage, its living quarters, mess halls, and chapels strafed by Japanese Zeros. American troops threw back everything they could muster – from anti-aircraft guns to their sidearms. But Rasmussen and a handful of other daring American pilots managed to get in the air, ready to take the fight right back to Japan in the Hawks if they had to. They took off under fire, but were still airborne.

Pearl Harbor pilots Harry Brown, Phil Rasmussen, Ken Taylor, George Welch, and Lewis Sanders.

They made it as far as Kaneohe Bay.

The four brave pilots were led by radio to Kaneohe, where they engaged 11 enemy fighters in a vicious dogfight. Even in his obsolete old fighter, Rasmussen proved that technology is no match for good ol' martial skills and courage under fire. He managed to shoot down one of the 11, but was double-teamed by two attacking Zeros.

Gunfire and 20mm shells shattered his canopy, destroyed his radio, and took out his hydraulic lines and rudder cables. He was forced out of the fighting, escaping into nearby clouds and making his way back to Wheeler Field. When he landed, he did it without brakes, a rudder, or a tailwheel.

There were 500 bullet holes in the P-36A's fuselage.

Skillz.

Lieutenant Rasmussen earned the Silver Star for his boldness and would survive the war, getting his second kill in 1943. He retired from the U.S. Air Force in 1965, but will live on in the Museum of the United States Air Force, forever immortalized as he hops into an outdated aircraft in his pajamas.

(U.S. Air Force photo)

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