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Paladin: The Deadly Artillery Joe Biden Is Selling to Taiwan

Paladin Taiwan

The State Department announced on August 4 that it had approved the sale of forty M109A6 Paladin self-propelled howitzer systems to Taiwan, along with kits to convert up to 1,698 155-millimeter artillery shells into precision-guided weapons. There was other equipment bundled into the authorization. For example, Taiwan will receive twenty M992A2 ammunition transport vehicles, five M88A2 Hercules armored recovery vehicles, and an Advanced Field Artillery Tactical Data System.

The deal, worth up to $750 million, still requires but is almost certain to receive congressional approval, followed by negotiations between Taipei and the primary defense contractor BAE Systems. The Paladins—which resemble tanks, but are in reality only lightly armored and designed for long-distance indirect fire—would be the first U.S. gun artillery approved for sale to Taiwan in over twenty years, following 146 older M109A5 howitzers delivered in the late 1990s.

This marks the first major arms sale to Taiwan approved by the Biden administration, signaling to Taipei and Beijing that he would continue to greenlight exports of major weapon systems to Taiwan begun under the Trump administration. However, possibly in an effort to modulate the temperature, the Defense Security Cooperation Agency approved only forty units, not the one hundred artillery systems Defense Minister Yen Teh-fa indicated Taiwan was seeking in 2019.

Nonetheless, China’s foreign ministry predictably complained the sale encouraged Taiwan’s independence from China, promising Beijing would retaliate with “countermeasures to defend its legitimate interests.” Beijing’s One-China policy holds the island to be Chinese territory awaiting reintegration with mainland rule. However, a majority of Taiwan’s roughly 23.6 million inhabitants do not support reunification.

The Paladin’s maximum range of eighteen miles, or thirty miles using rocket-assisted ammunition, is too short to threaten Chinese military units in the mainland, meaning its sole role would be to defend Taiwan from an amphibious invasion. Beijing’s objection is thus that improved artillery makes seizing the island by force incrementally more difficult.

Other major arms sales authorized for Taiwan since 2019 include dozens of F-16V fighter jets and M1A2T Abrams tanks, four MQ-9B Reaper combat drones, eleven M142 high mobility artillery rocket systems with long-range Army tactile missile system missiles, one hundred Harpoon-missile armed anti-ship batteries, and advanced standoff precision-guided, air-launched cruise missiles.

Artillery, Old and New School 

An ordinary 155-millimeter high explosive shell fired by an antiquated howitzer can still kill out to a radius of fifty to eighty, with some risk to life extending up to 200 meters away.

But in a modern high-intensity conflict, artillery units must be able to “shoot and scoot” within a matter of minutes, as shell-tracking radars, surveillance drones and command-control networks allow adversaries to retaliate extremely quickly with lethal counter-battery fires.

In these regards, the M109A6 improves significantly over the A2 and A5 variants, with its ability to deploy fore in just one minute, then surge fire three to four rounds in one minute if necessary, and then promptly move to a new position. The fire control and navigation systems in its new turret allow more rapid and precise targeting calculations too.

But historically artillery units fired hundreds of shells in lengthy fire missions because the odds of individual shells landing on target were low. Indeed, an unguided round from an M109 lands only on half the time within a 267-meter radius of the designated target at maximum range!

Here’s where the 1,698 Precision Guidance Kits (PGKs) Taiwan is authorized to purchase come in. The M1156 PGKs are basically small moving guidance fins and a hi-tech fuse that troops in the field can fit to a regular shell, allowing the projectile to correct its course towards a designated GPS coordinate. In tests of the M1156 PGKs, most shells have landed within ten or even five meters of a designated target.

Though undeniably pricy at $10,000 to $20,000 per kit, the M1156s-enhanced shells are thus far more likely to land on target, which is vital when only a brief volley can be fired before repositioning. Such precision fires also make it possible to hit targets closer to friendly troops and mitigate risks of civilian casualties when fighting near populated areas.

A downside of the M1156, though, is reliance on GPS, access to which may be disrupted in a high-intensity conflict. Supposedly “anti-jam” PGKs with improved ability to work in an a “GPS degraded environment” are in the works.

D-Day: Taiwan? 

An attempted invasion of Taiwan would be won or lost primarily in the air and at sea. Taipei would have to mount a delaying action to buy time for U.S. forces to come to its defense—though even that is not strictly guaranteed.

However, if Taipei’s ground defenses are too weak, than even heavily damaged PLA amphibious and airborne forces might still secure a foothold on the island and seal Taiwan’s fate. Thus, Taiwan’s ground forces must train to accomplish what the German army could not at the battle of Normandy in 1944: swiftly counterattack and overrun any beachheads or air-landing zones, preventing PLA landing forces from forming a defensible base and capturing port facilities through which heavier PLA forces could land.

This is a feat Republic of China Armed Forces pulled off in their successful defense of Kinmen island against Chinese-led forces in 1949 but failed to do the same in the Battle of Hainan (also 1949) and the Battle of Yijiangshan Islands (1955).

The invasion defense scenarios grows ever more daunting with time, however. The PLA Navy has grown more capable and is rapidly expanding its fleet of Type 075 amphibious carriers and smaller Type 071 amphibious transport docks to deliver troops by sea. And on land China disposes of hundreds of short-range ballistic missiles and long-range rocket artillery systems that could bombard targets across Taiwan in a war, potentially destroying Taipei’s air force on the ground.

Taiwan doesn’t lack artillery, strictly speaking. A 2016 order of battle lists ten towed and sixteen self-propelled artillery battalions, in addition to four rocket battalions and five mixed composite artillery formations mostly deployed to smaller island garrison. Each battalion typically has sixteen or twenty-four guns.

The World War II-era towed weapons include 250 155-millimeter M114 howitzers, 70 hulking 8-inch M115 howitzers, and 203 domestic M114 knockoffs called T63s. Armored self-propelled artillery systems include 60-75 M110A2 self-propelled 8-inch howitzers and 225 M109A2 and M109A5 Paladins. There are even gigantic 240-millimeter guns in casements in Matsu island, and reserves of old M59 “Long Tom” field guns and 105-millimeter howitzers that may remain available for use by second-line units.

Taiwan’s rocket artillery is more modern. Besides the forthcoming high mobility artillery rocket systems, it includes around fifty-six indigenous RT-2000 Thunderbolt MLRSs capable of firing 117-, 180- and 227-millimeter rockets, the latter out to a range of twenty-eight miles. These are replacing older domestic Kung Feng VI MLRSs.

M-109A6 Paladin Self Propelled Howitzer

Col. David Mansfield, 407th Air Expeditionary Group commander fires an illumination round from a M-109A6 Paladin Self Propelled Howitzer here June 20 in support of Iraqi Police patrolling Nasiriyah, Iraq. The Soldiers of the 3-319th Airborne Field Artillery Regiment, 1st Brigade Combat Team, 82nd Airborne Division, regularly support Iraqi Police with illumination to help them secure the city. Colonel Mansfield was given a tour, a system capability brief and the opportunity to fire, under close Soldier supervision, so that he can better inform Airmen about the “outgoing fire” missions and thunderous explosions heard almost nightly here.

M109-A6 Paladin Self-Propelled Howitzer

U.S. Army Sgt. Manuel Sarabia, a native of San Diego, assigned to A Battery, 4th Battalion, 27th Field Artillery, Division Artillery (DIVARTY), 1st Armored Division as a crew chief in a M109-A6 Paladin Self-Propelled Howitzer, listens to firing commands over the radio during the first day of DART (Division Artillery Readiness Test) at Dona Ana firing range just outside Fort Bliss, Texas, Dec. 7, 2015. DART is a new, three-day exercise that will determine the readiness of DIVARTY FA units through live-fire exercises, react to contact, improvised explosive device (IED) defense and casualty and vehicle evacuation. (U.S. Army Photo by Sgt. James Avery, 16th Mobile Public Affairs Detachment)

U.S. Army Birthday

U.S. Army Soldiers assigned to Alpha Battery, 3rd Battalion, 29th Field Artillery Regiment, 4th Infantry Division, fire a M109A6 Paladin in support of the joint training exercise Eager Lion ’19 at Training Area 1, Jordan, Aug. 27, 2019. Eager Lion is an annual, multinational training event in its ninth iteration which enables partnered nations to strengthen military relationships and exchange expertise. (U.S. Army photo by Spc. Angel Ruszkiewicz)

Together it theoretically amounts to a lot of firepower, but too much of it remains limited in range, precision and—for the towed weapons—mobility and survivability.

Thus, the M109A6s help bring more modern mobile capability to Taiwan’s artillery forces, and brings to the table GPS-guided shells precise enough to pose a serious threat to point targets like landing craft and armored vehicles (at least when they aren’t moving much).

Of course, forty relatively modern howitzers will not dramatically affect the unfavorable balance of power Taiwan’s armed forces must hedge against. However, they are a modest step forward towards modernizing Taipei’s ground forces for a possible conflict one can only hope is never fought.

Sébastien Roblin writes on the technical, historical and political aspects of international security and conflict for publications including theNational Interest, NBC News, andWar is Boring.  He holds a Master’s degree from Georgetown University and served with the Peace Corps in China.  You can follow his articles on Twitter

Written By

Sebastien Roblin writes on the technical, historical, and political aspects of international security and conflict for publications including the 19FortyFive, The National Interest, NBC News,, and War is Boring. He holds a Master’s degree from Georgetown University and served with the Peace Corps in China.