Guam Weighs China's Missile Threat as US Builds New Defenses and Civilian Plans

A missile display brings Guam's risks into focus

Guam's 170,000 residents face a security challenge that reaches from military runways to family emergency plans. China has displayed the DF-26, a missile capable of striking the island from the mainland, while the United States is building an integrated defense system with between $1.5 billion and $1.7 billion in near term funding. A recent civilian response exercise assumed that officials would have only about six minutes to warn people of incoming missiles.

As of September 17, 2025, those preparations are taking place against a sharper public reminder of China's military strength. A parade in Beijing showcased new weapons and the missile Chinese outlets have nicknamed the Guam Killer. Images of Chinese leader Xi Jinping alongside leaders from Russia, North Korea and Iran added to the sense that international alignments were hardening.

Guam is a US territory and a major operating hub for bombers, submarines and Marines. Its position makes it central to American military planning for a possible conflict over Taiwan. Strategists warn that China could seek to blind, batter and isolate the island in the opening hours of a war, slowing the US response by damaging bases and disrupting communications.

Residents already live with periodic warnings about missiles, typhoons and distant crises. Grocery bills, housing costs and rebuilding after storms often demand more immediate attention. A military parade or a new weapons test can bring the possibility of war back into everyday conversation, even while ordinary life continues.

The challenge connects two different kinds of preparation: keeping military forces operating after an attack and helping civilians receive warnings, find shelter and recover when essential services are damaged. New interceptors address part of that problem. Local emergency planning addresses another.

What makes the DF-26 a threat?

The DF-26 is an intermediate range ballistic missile. A ballistic missile rises high after launch and then descends toward its target at very high speed. Range estimates cited in open sources run from roughly 2,000 miles to more than 3,000 miles, giving the weapon enough reach to strike Guam, parts of Japan and US naval forces operating well into the Philippine Sea.

China can move the DF-26 by road, hide its launchers and prepare it for firing on short notice. Its solid fuel design supports that readiness. Mobility also makes it harder for an opponent to locate launchers before they fire.

The missile family has two broad missions. Versions intended for land targets can threaten runways, ports, fuel storage and air defense facilities. Versions intended for ships use sensors and guidance during the final part of flight to try to hit large vessels that are moving at sea.

The DF-26 can carry conventional explosives or a nuclear warhead. Conventional loads include options designed to crater runways or damage hardened structures. This ability to carry different kinds of warheads creates a dangerous uncertainty during a crisis: a defender seeing an incoming missile cannot know which kind of explosive it carries.

A recent US Defense Intelligence Agency assessment said China was fielding more DF-26 launchers while expanding both conventional and nuclear forces. Pentagon analyses also point to a rapid increase in China's total nuclear warheads over the next decade. That growth adds weight to a missile force already designed for mobility, quick action and surprise.

China has refined guidance, tracking and communications to make the missile's range useful against real targets. Reaching an area is one task; finding a target accurately enough to strike it is another, especially when that target is a ship changing position.

How China connects sensors to missiles

Analysts describe improvements often labeled DF-26D that seek greater accuracy and a better chance of surviving defenses. These include improved navigation, resistance to electronic jamming and decoys intended to complicate interception.

A strike against a moving ship depends on a wider targeting network, often called a kill chain. Satellites, radars operating over long distances, patrol aircraft, drones and electronic intelligence first locate a naval group. Tracking information then passes to missile units, with further information used to refine the aim during flight.

That process links surveillance to a weapon that may be far away. It also explains why China's improvements in communications and tracking matter alongside the missile itself. The DF-26 threatens fixed bases, while its versions for attacking ships challenge the aircraft and vessels that support operations across the Pacific.

Ballistic missiles descend at speeds that leave defenders little time to decide and act. China also deploys weapons that follow different flight patterns, including the DF-17 and DF-27 hypersonic glide vehicles and the YJ-21 missile for attacking ships. Hypersonic weapons travel at more than five times the speed of sound. Glide vehicles fly lower and maneuver, adding different approaches and speeds for defenses to handle.

Guam sits in the second island chain, a geographic line of islands farther into the Pacific than the first chain nearer the Asian mainland. The combination of ballistic missiles, maneuvering glide vehicles and weapons targeting ships makes protection of bases and naval forces in that area more demanding.

Why Guam matters in a Taiwan conflict

Andersen Air Force Base can host heavy bombers, tankers and fighters. Naval Base Guam supports submarines and logistics. The Marine Corps is building a base for about 5,000 Marines. Together, these facilities help connect US operations across the Pacific.

In a Taiwan crisis, Guam would support refueling in the air, strikes over long distances and the movement of supplies. Chinese planners could try to suppress those functions by attacking the infrastructure that lets aircraft take off, ships receive support and commanders communicate.

Wargames and studies point to an opening missile salvo aimed at cratering runways and taxiways, damaging fuel systems and disrupting command and control. The immediate objective would be to slow sortie generation, the rate at which aircraft can be prepared and sent on missions.

A study modeling repeated missile attacks under conservative assumptions found that US fighter operations could be halted for roughly 12 days in Japan and nearly two days on Guam. Runways used by larger aircraft, such as tankers, could remain closed for more than a month in Japan and for more than half a week on Guam.

Those estimates show why a damaged runway matters beyond the aircraft stationed beside it. A tanker unable to depart cannot refuel other aircraft, and a disrupted base cannot sustain its usual flow of missions. Missile defenses, rapid runway repair and dispersal each address part of the problem. No single measure removes the challenge posed by repeated attacks.

Spreading aircraft across more islands

The US approach known as Agile Combat Employment, or ACE, aims to spread aircraft across smaller operating sites and move them frequently. For an attacker, that means more locations to watch and more uncertainty about where aircraft will be when a missile arrives.

The United States has invested in alternate runways on Tinian, near Saipan. Palau has invited new ports and airfields, while the Philippines has expanded US access to northern sites facing toward Taiwan. These locations would give American forces more options if a major base were damaged or under threat.

Smaller sites bring practical limits. Many lack hardened fuel facilities, protective shelters and sufficient stocks of supplies. Aircraft need fuel, maintenance, weapons and crews wherever they operate, so spreading them out also spreads the work of supporting them.

Modern surveillance from space and the air can still locate aircraft parked in the open. Dispersal therefore forms one part of a broader effort that includes repair capacity, protected infrastructure and missile interception. Construction of backup airfields and dispersal sites around the region is continuing alongside the defense work on Guam.

A defense system designed to watch every direction

The Pentagon has made Guam a priority for an integrated air and missile defense covering 360 degrees. The aim is to detect and engage threats arriving from any direction, then help the island absorb an initial strike, keep operating and contribute to a response if deterrence fails.

Pieces of that system are already arriving, including launchers, radars and command networks. The effort is being built over several years, with between $1.5 billion and $1.7 billion identified for near term funding.

The planned shield combines the Aegis Combat System on land, Terminal High Altitude Area Defense, known as THAAD, Patriot batteries, the Army's Indirect Fire Protection Capability, or IFPC, and the Navy's family of Standard Missiles. Different systems address different parts of an incoming attack, from ballistic missiles flying high to threats approaching at lower altitudes.

Mk 41 launchers are being installed to fire interceptors capable of countering ballistic missiles in space and defending against lower altitude threats. An interceptor is a defensive missile sent to destroy an incoming weapon before it reaches its target. Future missiles under development aim to defeat hypersonic weapons during their glide phase.

The Army's Integrated Battle Command System, or IBCS, is central to linking sensors and launchers. It is designed to combine information from Army, Navy and Air Force sensors into a single picture for commanders. The goal is for any connected sensor to provide targeting information to any suitable launcher.

Radars and infrared sensors would help the network detect ballistic missiles flying high, cruise missiles flying low and swarms of drones that can confuse defenses. Cruise missiles travel through the atmosphere toward their targets rather than following the high trajectory of a ballistic missile. The network must also continue working through attacks on satellites, communications jamming and cyber intrusions.

Enough interceptors, fast decisions and working communications

A determined attacker could launch many weapons at once from different directions and altitudes. Guam's defenders would need enough missiles ready to fire against a large salvo, followed by the ability to reload quickly under pressure.

IFPC is intended to provide more interceptors against cruise missiles and rockets while supporting faster reloads than older systems. The services are also considering ground launchers using AIM-120 missiles, normally fired from aircraft, to fill gaps in protection against fast cruise missiles.

Regular firing tests on Guam are planned to begin with Aegis in 2025 and continue with as many as two tests a year through the decade. Those tests are part of the work of building a defense that connects several military systems rather than relying on a single launcher or radar.

Guam's distance from Hawaii, where US Indo Pacific Command is headquartered, makes local decisions particularly important. An incoming ballistic missile can arrive within minutes. New command arrangements are being built so crews on the island can identify a threat, make a decision and fire within that short window.

Chinese doctrine also targets information networks. US planners are hardening cables, radios and backup systems to help prevent Guam from being cut off during an attack. A defense network depends on those connections to carry warnings and targeting information between sensors, commanders and launchers.

Adm. Samuel Paparo, who leads US Indo Pacific Command, has described the island's protection as his foremost concern:

Defending Guam is my top priority.

Missile defenses are intended to reduce the number of weapons reaching their targets, preserve important assets and buy time for offensive forces to respond. Some incoming weapons may get through. Even partial protection can reduce damage in the opening hours and affect an opponent's calculation about whether an attack would succeed.

What six minutes of warning means for civilians

Guam's civil authorities recently worked through a tabletop exercise in which warning of inbound missiles arrived with only about six minutes to spare. A tabletop exercise lets officials rehearse decisions and coordination through a simulated emergency.

The scenario assumed strikes on the Port Authority, Andersen Air Force Base and the international airport despite military interception efforts. Hospitals faced a surge of injured residents. Emergency calls increased as power faltered and communications went down.

Organizers focused on coordination between agencies, public warnings, search and rescue, logistics and restoring infrastructure. The exercise tied military threats to services civilians depend on: medical care, electricity, telephone connections and the movement of supplies through the port and airport.

The exercise and its planned follow up set out a short sequence:

• About six minutes before the simulated strikes, officials received warning of incoming missiles.
• Within 90 days of the exercise, organizers expected an after action review to assess the response.
• After 120 days, organizers expected a public report.

Governor Lou Leon Guerrero has pushed for emergency plans to be brought together in a single survival guide for families, schools and businesses. The guide would cover wartime crises, including radiological hazards, meaning dangers associated with radioactive material.

Advisers stress that Guam's threat level has not changed. They also point to recent missile exchanges in other regions as a reason to prepare. Military defenses are designed first to protect forces, while local leaders say civil defense needs more investment so residents can remain informed, shelter when necessary and recover more quickly.

A wider military race across the Pacific

China's activity extends beyond missile deployments. Its carrier groups are operating beyond the first island chain and reaching into the second. During one set of drills, Chinese ships and aircraft sailed and flew through areas watched closely by Japan and Australia. The wider operating pattern described around Guam also includes Chinese carrier groups moving beyond the second island chain.

The United States and its partners are increasing their activity as well. Washington has temporarily brought Typhon, a new medium range missile system, to Japan. It has also moved missiles designed to attack ships over long distances into northern parts of the Philippines. Allied navies are conducting larger exercises together, from the Philippines to Australia.

These deployments aim to complicate China's ability to concentrate forces and reassure US partners. They also put more missiles and sensors into an already closely watched region. Chinese weapons such as the DF-17 and DF-27 add pressure by maneuvering at hypersonic speeds, reducing warning time for ships and bases and making interception harder.

Some experts question claims that aircraft carriers can be sunk within minutes, and history suggests modern carriers are tough ships. Their flight decks and the aircraft using them remain vulnerable. Damage that prevents flying operations can limit a carrier's role even while the ship stays afloat.

A carrier that operates farther from a battle to reduce its exposure also places its aircraft farther from their missions. Covering that distance becomes harder when a battle is moving quickly. Guam faces a related problem on land: the value of a military platform depends on whether its supporting facilities can keep it operating.

Daily life continues alongside preparations

Guam residents continue to weigh security concerns against grocery prices, housing and typhoon seasons. A display of weapons in Beijing or a new missile test can move war worries to the front of people's minds before other pressures take priority again.

Many islanders trust the US military to defend Guam. Others see the pace of Chinese missile deployments and closer ties among China, Russia and North Korea as signs of a harder security environment. The parade made those concerns more visible without changing the island's stated threat level.

Local officials urge calm and practical preparation, including family emergency plans and attention to official alerts. For households, the concrete concern is how to receive a warning and respond when time is short. For public agencies, it is how to keep essential services working or restore them after damage.

Guam's military and civilian preparations are advancing together, but they serve different immediate needs. Interceptors and dispersed bases aim to preserve the ability to fight. Warning systems, hospital coordination and survival planning aim to help the people living beside those bases endure an emergency.

What to Know

• Guam has about 170,000 residents and hosts major US air, naval and Marine facilities central to planning for a Taiwan crisis.
• The DF-26 can reach Guam from mainland China and carry either conventional explosives or a nuclear warhead.
• US intelligence says China is adding DF-26 launchers and expanding its conventional and nuclear forces.
• Guam's integrated defense effort has between $1.5 billion and $1.7 billion in near term funding and combines multiple sensors, command systems and interceptors.
• A study estimated repeated missile attacks could halt fighter operations for nearly two days on Guam and close runways for larger aircraft for more than half a week.
• The United States is spreading operating options through Tinian, Palau and expanded access in the Philippines.
• A civilian exercise assumed about six minutes of warning and simulated damage to the port, Andersen Air Force Base and the international airport.
• Governor Lou Leon Guerrero is seeking a single survival guide, while officials say Guam's threat level has not changed.
• Aegis firing tests are planned to begin in 2025, with as many as two tests a year through the decade.
• Residents continue to balance security concerns with housing costs, grocery prices and preparation for typhoons.