The Army Wants Bigger Guns and Longer-Range Rockets to Catch up with Russia

The Army Wants Bigger Guns and Longer-Range Rockets to Catch up with Russia

And Washington has a plan. 

The memoirs of German soldiers in World War II often disparaged American troops by complaining that they were quick to call down heavy artillery bombardments when the going got tough. This peculiar insult underscores how liberal employment of relatively fast-reacting and accurate artillery fires were once thought of as part of the “American way of war.”

However, air power has supplanted artillery in recent decades. Compared to jets, it can take weeks to deploy heavy self-propelled artillery systems across the globe, and they demand significant logistical capacity in the field. Furthermore, the revolution in precision-guided weapons gave air power the potential to be a more precise form of warfare, with greater effectiveness for each munition released and less potential for collateral damage.

The Army’s last major attempt to introduce a new artillery system, the Crusader, was canceled for being too expensive and too heavy. Long-range Pershing tactical ballistic missiles were retired decades ago as well.

However, this trend is now in full reverse—the Army’s 2019 military budget reveals an 88 percent increase in spending on artillery systems, and especially their munitions stocks of 155-millimeter artillery shells and GPS-guided 227-millimeter rockets, which have been depleted for years. Furthermore, a March 2018 speech by Brig. Gen. Stephen Maranian at a defense symposium has outlined a wide array of new artillery systems at various stages of development for the U.S. Army.

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The reason for this shift? In one word, Russia. Unlike the United States, the Russian military has never counted on having air superiority over the battlefield. For that reason, it has developed a diverse array of artillery and rocket systems, as well as long-range tactical missiles such as the Iskander, to deliver strikes the U.S. military might rely on aircraft to perform. Russian military doctrine places greater emphasis on massive bombardments, and is deeply unconcerned with the issue of collateral damage, as demonstrated by the methodical way Russian artillery flattened the city of Grozny during the Second Chechen War. Because Moscow is more focused on fighting wars along its borders—notwithstanding its recent foray into Syria—global logistics are of less concern.

Recently, the war in eastern Ukraine illustrated some of these principles, as Russian self-propelled rocket and howitzer artillery fired from across the border into Ukraine and inflicted hundreds of casualties on Ukrainian troops. Russian surface-to-air missiles also successfully denied airspace to Ukrainian jets and helicopters, so both sides were forced to rely upon artillery to hit targets behind enemy lines.

Giving the Paladin Longer Reach

The U.S. Army’s new drive for artillery is in fact partly rationalized as a strategy to enable U.S. airpower by destroying enemy air defenses with surface-to-surface strikes. Systems like the S-400 SAM pose a major threat to U.S. warplanes, and although it possible to dismantle an integrated air defense network with air strikes, doing so requires extensive resources and meticulous planning . Therefore, improved artillery could both pick up the slack by hitting critical targets behind enemy lines while the air defenses are being suppressed, and contribute to destroying those air defenses so that air support can reach the battlefield.

Among the nearer-term projects is the fielding of the new M109A7 Paladin, the latest upgraded variant of a twenty-seven-ton 155-millimeter self-propelled howitzer in service since the 1960s. The new PIM version includes more components from the Bradley fighting vehicle , a higher-voltage power system, a more precise ramming device and better crew protection; the new vehicle will also be faster despite being five tons heavier.

However, a 2017 report by the Department of Testing & Evaluation reveals that failures of the breech system leave the 109A7 “not operationally effective.” Initial operational testing had to be suspended because “28 soldiers were affected by toxic fumes released into the cab.”

In around two and a half years the Army plans to phase in a new rocket-assisted XM1113 projectile that should extend the M109’s maximum range from the current nineteen miles to twenty-five. However, the Army is planning for an even longer-range envelope of forty-three miles by lengthening the Paladin’s six-meter long thirty-nine-caliber barrel by 50 percent.

This fifty-eight-caliber Extended Range Cannon Artillery (ERCA) is due to enter service in 2023. The new barrel is also supposed to be tough enough to accommodate potential hypersonic and ramjet rounds developed further into the future to achieve ranges as great as one hundred miles. The Army would also like to increase the Paladins’ rate of fire by installing an autoloader that could sustained bombardments of six to ten rounds per minute, many times faster than the current rate.

Ramping Up the Multiple Rocket Launchers

The Army likewise is looking to extend the reach of its multiple-rocket-launcher systems, the heavier M270 and more easily deployed M142 HIMARS. The lighter HIMARS systems have proven especially successful combating ISIS in Syria and Iraq, as new GPS-guided GMRLS rounds (with a range of forty-five miles) can deliver accurate strikes at lower cost than sending a jet to do the job. The Marines are even testing deploying HIMARS on the decks of amphibious ships for fire support.