Taiwan / ROC · State military
Republic of China Armed Forces
Taiwan's armed forces — army, navy, air force and mobilisation organisation — under civilian control through the Ministry of National Defense and an elected president.
Joint
Coverage · Taiwan Strait
Context, not targeting. This atlas describes structure and history. It deliberately excludes current locations, live strength, unit movements and anything operationally sensitive — the content model has no fields for them. Branch depth reflects what can be established from public sources, not the size, capability or importance of a force: a thin branch means a state publishes little, and record counts are never a measure of strength.
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57 reviewed profiles of 57 records
11 full, 46 under review. Confidence, subordination and sources are inside each record.
Taiwan / ROC · Branch
ROC Army
Taiwan's land forces, including the bulk of its conscript intake and the reserve system that is the most contested part of its defence reform.
Land · under Republic of China Armed Forces
Taiwan / ROC · Branch
ROC Navy
Taiwan's naval service, including its marine corps — increasingly oriented toward sea denial rather than sea control.
Naval · under Republic of China Armed Forces
Taiwan / ROC · Branch
ROC Air Force
Taiwan's air arm — the service that meets near-daily reported PLA air activity and operates the island's layered air and missile defences.
Air · under Republic of China Armed Forces
Taiwan / ROC · Interior forces
Taiwan Coast Guard Administration
Taiwan's civilian maritime law-enforcement service — the agency that actually meets Chinese coast guard vessels around the outlying islands.
Naval
PRC · State military
People's Liberation Army
The armed forces of the Chinese party-state — organised since the 2015–16 reforms into services that build and equip forces and theatre commands that would employ them.
Joint
PRC · Branch
PLA Eastern Theater Command
The joint theatre command whose area of responsibility includes the Taiwan Strait — the headquarters that announces and conducts the major exercises around the island.
Joint · under People's Liberation Army
PRC · Branch
PLA Navy
The world's largest navy by hull count, and the service whose growth has changed the maritime balance in the region most visibly.
Naval · under People's Liberation Army
PRC · Branch
PLA Air Force
The service that generates the near-daily air activity around Taiwan which constitutes the most visible and most counted form of pressure.
Air · under People's Liberation Army
PRC · Branch
PLA Rocket Force
The service responsible for China's conventional and nuclear missile forces — the capability most often cited in assessments of the regional balance, and the subject of significant recent corruption investigations.
Joint · under People's Liberation Army
PRC · Interior forces
China Coast Guard
China's maritime law-enforcement service — the instrument of choice for asserting jurisdiction below the threshold that would justify a military response.
Naval
Taiwan / ROC · Corps
ROC Army 6th Army Corps
The army command responsible for northern Taiwan — the capital region — and the third of the five theatres of operation the ROC Army was reorganised into from 2022.
Land · under ROC Army
Taiwan / ROC · Corps
ROC Army 8th Army Corps
The army command responsible for southern Taiwan, and the fourth of the five theatres of operation created in the 2022 reorganisation.
Land · under ROC Army
Taiwan / ROC · Corps
ROC Army 10th Army Corps
The army command responsible for central and western Taiwan — the fifth theatre of operations, and the one holding the island's lateral communications.
Land · under ROC Army
Taiwan / ROC · Command
ROC Army Hualien-Taitung Defense Command
The army command for eastern Taiwan — the side of the island behind the mountains, and the side PLA activity has been moving toward since 2022.
Land · under ROC Army
Taiwan / ROC · Command
ROC Army Penghu Defense Command
The army command for the Penghu islands — the one offshore group that sits in the middle of the strait rather than against the mainland coast.
Land · under ROC Army
Taiwan / ROC · Command
ROC Army Kinmen Defense Command
The army command for the Kinmen islands, a few kilometres off the Chinese coast — the place where the strait's grey-zone contact is most frequent.
Land · under ROC Army
Taiwan / ROC · Command
ROC Army Matsu Defense Command
The army command for the Matsu islands off northern Fujian — the offshore group whose undersea cables were cut in 2023 and whose isolation is the module's clearest connectivity case.
Land · under ROC Army
Taiwan / ROC · Command
ROC Army Aviation and Special Forces Command
The army's helicopter and special-operations command — the only ROC Army formation at corps level that is functional rather than territorial.
Special operations · under ROC Army
Taiwan / ROC · Command
ROC Navy Fleet Command
The operational command that holds the ROC Navy's sea-going forces — the structure through which the shift from sea control to sea denial has to pass.
Naval · under ROC Navy
Taiwan / ROC · Branch
ROC Marine Corps
Taiwan's marine corps — a counter-landing and island-reinforcement force rather than an expeditionary one, which is the reverse of what the name usually implies.
Naval · under ROC Navy
Taiwan / ROC · Command
ROC Air Force Combatant Command
The operational command behind Taiwan's combat aviation — the structure that actually absorbs the near-daily interception workload.
Air · under ROC Air Force
Taiwan / ROC · Command
ROC Air Force Air Defense and Missile Command
The command that holds Taiwan's ground-based air and missile defence — the layer beneath the fighters, and the one the module's missile-defence analysis actually refers to.
Air · under ROC Air Force
Taiwan / ROC · Branch
All-out Defense Mobilization Agency
The body responsible for Taiwan's reserve mobilisation and civil-defence coordination — the institutional bridge between the armed forces and societal resilience.
Joint · under Republic of China Armed Forces
Taiwan / ROC · Command
ROC Armed Forces Reserve Command
The troop command that administers Taiwan's reserve system, kept as a distinct organisation beneath the mobilisation agency rather than merged into it.
Land · under All-out Defense Mobilization Agency
Taiwan / ROC · Branch
ROC Information, Communications and Electronic Force Command
Taiwan's joint command for information, communications, electronic and cyber functions — the counterpart to the PLA structures the module records on the other side of the strait.
Joint · under Republic of China Armed Forces
Taiwan / ROC · Interior forces
CGA Fleet Branch
The Coast Guard Administration's sea-going arm — the organisation whose hulls are the ones that actually meet China Coast Guard vessels.
Naval · under Taiwan Coast Guard Administration
Taiwan / ROC · Interior forces
CGA Kinmen-Matsu-Penghu Branch
The coast guard branch for the offshore island groups — the single organisation standing between routine Chinese coast guard presence and a military response.
Naval · under Taiwan Coast Guard Administration
PRC · Branch
PLA Eastern Theater Command Army
The ground-force component assigned to the theatre whose area covers the Taiwan Strait — recorded as a component, not as an order of battle.
Land · under PLA Eastern Theater Command
PRC · Branch
PLA Eastern Theater Command Navy
The naval component of the theatre covering the Taiwan Strait — the former East Sea Fleet, and the organisation behind most reported naval activity around the island.
Naval · under PLA Eastern Theater Command
PRC · Branch
PLA Eastern Theater Command Air Force
The air component of the theatre covering the Taiwan Strait — the organisation behind the sortie counts Taiwan publishes every day.
Air · under PLA Eastern Theater Command
PRC · Branch
PLA Ground Force
The PLA's land service — the largest of the four, and since 2016 a force provider rather than the organising centre of the whole military.
Land · under People's Liberation Army
PRC · Branch
PLA Navy Marine Corps
The PLA Navy's amphibious arm — expanded substantially since 2017, and one of the capabilities most often read as evidence about intentions it is not evidence about.
Naval · under PLA Navy
PRC · Branch
PLA Navy Submarine Force
The PLA Navy's submarine arm — the component that matters most to the blockade and interdiction analysis, and the one hardest to observe.
Naval · under PLA Navy
PRC · Branch
Second Artillery Corps
The PLA's missile branch from 1966 to 2015, and the organisation the Rocket Force was elevated from — a branch, not a service, for almost fifty years.
Joint · under PLA Rocket Force
PRC · Branch
PLA Information Support Force
The arm created in April 2024 to run the PLA's information and communications backbone — one of three organisations that replaced the Strategic Support Force, and the one that inherited its network core.
Joint · under People's Liberation Army
PRC · Branch
PLA Aerospace Force
The PLA's space arm, constituted in April 2024 from the Strategic Support Force's space organisation and reporting directly to the Central Military Commission.
Joint · under People's Liberation Army
PRC · Branch
PLA Cyberspace Force
The PLA's cyber arm, constituted in April 2024 from the Strategic Support Force's network organisation — its existence is documented and almost nothing else about it is.
Joint · under People's Liberation Army
PRC · Branch
PLA Joint Logistics Support Force
The PLA's joint sustainment arm — created in 2016, and the part of the structure that would decide how long anything the theatre commands started could be kept going.
Joint · under People's Liberation Army
PRC · Branch
PLA Strategic Support Force
The force that held the PLA's space, cyber, electronic and information functions from 2015 until it was eliminated in April 2024 — the structure most pre-2024 analysis describes.
Joint · under People's Liberation Army
PRC · Interior forces
PRC maritime militia structures
State-linked civilian maritime structures reported to act in coordination with Chinese state vessels — documented mainly in the South China Sea, and considerably less clear around Taiwan.
Volunteer / irregular
United States · External
US Indo-Pacific Command
The US combatant command responsible for the Indo-Pacific — the institutional expression of the American presence whose credibility is the system's most discussed variable.
Joint
United States · Branch
US Pacific Fleet
The naval service component of US Indo-Pacific Command — the institution behind every published discussion of American maritime presence in the region.
Naval · under US Indo-Pacific Command
United States · Fleet
US Seventh Fleet
The numbered fleet whose area covers the western Pacific — the closest thing in the US structure to an organisation defined by this geography.
Naval · under US Pacific Fleet
United States · Branch
US Pacific Air Forces
The air service component of US Indo-Pacific Command — the organisation behind the dispersal and agile-basing concepts the first island chain drove.
Air · under US Indo-Pacific Command
United States · Branch
US Marine Forces Pacific
The Marine Corps service component of US Indo-Pacific Command — the service that redesigned itself around the first island chain.
Naval · under US Indo-Pacific Command
United States · Branch
US Army Pacific
The Army service component of US Indo-Pacific Command — relevant here for land-based fires and for the theatre logistics an island campaign would need.
Land · under US Indo-Pacific Command
United States · Branch
US Forces Japan
A subordinate unified command of INDOPACOM and the alliance's command node in Japan — the counterpart Japan built its own joint command to work with.
Joint · under US Indo-Pacific Command
Regional states · External
Japan Self-Defense Forces
Japan's armed forces — constitutionally constrained, substantially modernising, and positioned across the northern approaches to Taiwan.
Joint
Regional states · Branch
Japan Joint Operations Command
The command established in March 2025 to run all three Japanese services as one — the largest change to Japan's command structure since the SDF were founded.
Joint · under Japan Self-Defense Forces
Regional states · Branch
Japan Ground Self-Defense Force
Japan's land service — the one whose posture changed most as attention moved from the northern islands to the southwestern ones.
Land · under Japan Self-Defense Forces
Regional states · Army
JGSDF Western Army
The Japanese army command whose area covers Kyushu and the Ryukyu chain — the islands between Japan and Taiwan.
Land · under Japan Ground Self-Defense Force
Regional states · Branch
Japan Maritime Self-Defense Force
Japan's naval service — the regional force with the most capable anti-submarine and surveillance establishment, watching the channels PLA units transit.
Naval · under Japan Self-Defense Forces
Regional states · Branch
Japan Air Self-Defense Force
Japan's air service — the force that scrambles against PLA aircraft in the southwest and publishes the count, much as Taiwan does.
Air · under Japan Self-Defense Forces
Regional states · External
Armed Forces of the Philippines
The Philippine military — focused on its own maritime disputes with China, and relevant here through the geography of the Luzon Strait and an evacuation mission Manila has named itself.
Joint
Regional states · Command
AFP Northern Luzon Command
The Philippine unified command covering northern Luzon and the Batanes islands — the closest Philippine territory to Taiwan, and the command named in Manila's own contingency planning.
Joint · under Armed Forces of the Philippines
Regional states · External
Australian Defence Force
Australia's armed forces — a US ally investing in long-range and undersea capability on decade-plus timelines, with no stated Taiwan commitment.
Joint
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