PLAN DRILLS SIMULATE ISOLATING TAIWAN AS CCP PURGES PLA
ISW's October 30 China and Taiwan Update reports the PLAN conducted coordinated deployments through multiple first island chain chokepoints since October 13, including the Liaoning carrier group and several surface task forces. ISW assesses these movements likely practice isolating Taiwan and blocking outside intervention, while separately assessing that the CCP's Fifth Plenum purge of 16 military officers reduces the near-term likelihood of major PLA operations.
AT A GLANCE
NEW | UKRAINE | ISW reports a largely successful Kherson humanitarian evacuation ceasefire while the Kremlin maintains maximalist demands rejecting Ukrainian ceasefire offers.
NEW | IRAN | ISW reports Khamenei's son directed commanders to expand Iran's targeting bank and raise readiness to deter US or Israeli strikes.
NEW | TAIWAN | ISW reports PLAN task forces conducted coordinated chokepoint transits as CCP purges reduced near-term likelihood of major PLA operations.
CARRIED FORWARD, OCT 28 | KOREA | North Korea continues frontline artillery build-up near the MDL while South Korea proposes bilateral talks to demarcate the border.
WHY THE PLAN'S CHOKEPOINT DRILLS MATTER NOW
ISW's October 30 update documents PLAN task forces transiting the Miyako and Osumi Straits multiple times since October 13, coordinated with land-based reconnaissance aircraft near the same chokepoints. ISW assesses this pattern likely rehearses isolating Taiwan from outside intervention during a future conflict.
The exercises occurred during the US-Japan Keen Sword drills between October 19 and 29, which ISW says may have let the PLAN practice detecting opposing forces around contested chokepoint areas. ISW notes the drills could also offset PLAN naval aviation shortcomings by pairing surface ships with land-based aircraft.
Separately, ISW assesses the CCP's Fifth Plenum purge of 33 officials, including 16 military officers and two Central Military Commission members, reflects Xi Jinping's continued distrust of the PLA. ISW judges this reduces the likelihood of a Taiwan invasion in the near term given depleted senior leadership.
These two ISW findings run in parallel rather than together: tactical PLAN rehearsal of isolation tactics alongside a political purge that ISW assesses constrains Beijing's near-term appetite for major operations. Both elements bear on how Taiwan's November 28 elections are read in Beijing and Taipei.
OTHER SIGNALS
UKRAINE | KHERSON CEASEFIRE HOLDS AMID DISPUTED VIOLATIONS
ISW report of October 31 · new
ISW's October 31 update reports Russia and Ukraine completed a humanitarian evacuation from occupied Oleshky, Kherson Oblast, under a localized ceasefire in place since October 27. Ukrainian officials said some residents reached Ukrainian-controlled Chernihiv Oblast after transiting Belarus, while others stayed or went to occupied Crimea.
Ukrainian spokesperson Maksym Kravchuk alleged Russian forces repeatedly violated the ceasefire using reconnaissance and explosive drones, while Russian official Rodion Miroshnik countered that Ukrainian forces struck a civilian vehicle near Oleshky. ISW states it cannot independently verify either claimed violation, and separately reports the Kremlin still rejects broader ceasefire proposals.
IRAN | KHAMENEI'S SON ORDERS WIDER TARGETING BANK
ISW report of October 31 · new
ISW's October 31 Iran Update reports Mojtaba Khamenei directed Iran's top three military commanders to prepare retaliation against possible US strikes by expanding Iran's targeting bank to include all tangible and intangible US and Israeli assets. ISW assesses this likely aims to deter renewed strikes through maximum deterrence messaging.
ISW also reports Iran is raising readiness in the Persian Gulf, Strait of Hormuz, and border regions, and that Qatari mediators held over 12 hours of talks with Iranian officials on October 30 and 31. Iranian officials told Qatari and Tasnim media they see no direct talks until the United States meets Iran's conditions.
KOREA | PYONGYANG DEEPENS FRONTLINE BUILD-UP
ISW report of October 28 · carried forward
ISW's carried-forward October 28 Korean Peninsula Update reports North Korea is exploiting the September 21 landmine incident to accelerate fortification and artillery deployments along the Military Demarcation Line. South Korean media reported KPA 122mm self-propelled howitzers positioned roughly 40 kilometers from Seoul across the Han River Estuary.
The same update reports South Korea's Deputy Minister Kim Hong-cheol proposed bilateral military talks on October 23 to demarcate the MDL and prevent accidental clashes, while North Korea's Kim Yo Jong affirmed plans for permanent border fortification and resumed loudspeaker broadcasts. No ISW update since October 28 records a North Korean response to the talks proposal.
30-DAY CALLS: 6 of 7 resolved calls held since September 2026 (1 missed). Today's call is below.