New Army battalion to expand Guam’s defenses against missiles, drones

The Army is adding Patriot missiles and counter-drone defenses to Guam, building overlapping layers of protection around the strategically important U.S. territory as the Pentagon prepares for potential missile attacks in a Pacific conflict.

The 3rd Battalion, 43rd Air Defense Artillery Regiment will operate Patriot, Terminal High Altitude Area Defense, and Indirect Fire Protection Capability systems, said Capt. Leonard Peralta, spokesman for the 94th Army Air and Missile Defense Command.

The expansion is “a deliberate, phased plan to scale up our capabilities on the ground,” he said by email Tuesday.

The systems are designed to complement one another against threats ranging from ballistic and cruise missiles to aircraft and drones, he said.

Peralta described the defense as “layers of an umbrella” covering various altitudes and ranges.

Terminal High Altitude Area Defense, or THAAD, is designed to intercept ballistic missiles at high altitude during their terminal phase, while Patriot can engage lower-tier ballistic missiles, advanced cruise missiles and aircraft.

The Indirect Fire Protection Capability, or IFPC, is intended to counter lower-altitude threats, including drones and cruise missiles.

“This overlapping structure ensures that if a threat manages to bypass one defense layer, we have other systems positioned to engage it,” Peralta said.

The battalion is one component of the much larger Guam Defense System, an approximately $8 billion Defense Department effort to protect the island against cruise, ballistic and hypersonic missiles that could be launched during a conflict with China or North Korea.

A new U.S. Army battalion will bring Indirect Fire Protection Capability systems to Guam, such as the one seen here at Camp Humphreys, South Korea, March 16, 2026. (Joseph Liggio/U.S. Army)

Guam – the westernmost U.S. territory – is home to Andersen Air Force Base, Marine Corps Camp Blaz and Naval Base Guam, including the submarine facility at Polaris Point.

The new battalion incorporates Task Force Talon, which has operated Guam’s THAAD systems since 2013.

Peralta said the task force will transition and reactivate as the battalion in October.

However, the Army held a ceremony July 1 at Andersen marking Task Force Talon’s inactivation and the 3rd Battalion’s reactivation, according to a video the command posted to the Defense Visual Information Distribution System.

It was unclear whether the October transition represents a separate operational milestone. Peralta did not immediately respond to a request for clarification on Thursday afternoon.

About 120 additional battalion soldiers are already on Guam and expect to receive weapons systems over the next several months, Col. Matt Dalton, deputy commander of the 94th, said during the annual Space and Missile Defense Symposium in Huntsville, Ala., according to an Aug. 17 report by TWZ.

Peralta declined to provide troop numbers or delivery schedules for Patriot and IFPC equipment, citing operational security.

As equipment arrives, battalion personnel will set up and test the systems and complete the training and certifications necessary to operate them, Peralta said. He declined to say when the battalion is expected to become fully operational.

The first IFPC equipment is slated to arrive during the first quarter of fiscal 2027, according to an April 16 Congressional Research Service report.

The Army plans to have 20 IFPC launchers on Guam by the third quarter of the fiscal year, the report said.