T5 Analyst Briefing — 2027-03-31, post-trial (CORRECTED)

1. Headline read

Corrected framing: Midterm aftermath, not presidential. Regime president impeached but NOT convicted. House passed 2-4 articles late Feb; Senate trial March reached only ~55-58 votes for conviction (need 67). Insurrection Act invoked against Compact-state cities; military slow-walked. Government shut down 22-95 days. SCOTUS narrow rulings preserved federalism. Iran tested a third nuclear device. China imposed graduated quarantine on Taiwan. Compact expanded to 20-28 states. ~980 civilian fatalities during interval. President stays in office through January 2029.

2. State of play by domain

• Kinetic. IR third nuclear test late January (~25kt, weaponizable design demonstrated); no use against target. CN graduated quarantine; no amphibious. IL strategic decision: limited follow-on + defensive hold + Omani channel + signaling counter-disclosure. IL Arrow days [0, 6, 14].
• Logistics. US PAC-3 MSE [28, 42, 55]%. IL Arrow [0, 6, 14] days. INDOPACOM readiness [32, 46, 58]%. SPR exhausted [5, 20, 45] days. Cumulative EM defaults [6, 13, 22]. Famines declared [3, 7, 13] during interval. IEA coordination broken.
• Infrastructure. Brent [195, 225, 260]. Treasury auctions intermittently failing. Payment systems stressed. Banking crisis partial regional contained. Cyber-physical events [4, 11, 24].
• Picture. US regime picture quality [0.03, 0.11, 0.27]. Allied intel sharing [0.14, 0.32, 0.52] of T0. IL counter-disclosure: limited execution. Deepfake events [40, 110, 240] around impeachment.
• Cyber/IO. US domestic narrative fragmentation [0.96, 0.99, 1.00]. Opposition coordination [0.72, 0.83, 0.91]. Constitutional caucus [38, 64, 95] members. Cyber attacks during shutdown [120, 340, 720].
• Politico-economic. House seating: opposition winners denied [8, 14, 22]; opposition seated [218, 228, 240] of 435; Speaker elected after 3-5 ballots. Senate: opposition [50, 52, 54]. Impeachment articles passed [2, 4, 6]; Senate conviction vote [50, 56, 62] of 67 needed; 4-13 Republican defectors. Insurrection Act invoked; civilian casualties from operations [60, 380, 1800]. Government shutdown [22, 48, 95] days. SCOTUS substantive rulings [2, 4, 6]. Compact expanded to [20, 23, 28] states. Civilian fatalities cumulative during interval [180, 980, 3800].
• Command. US executive decision cycle [0.12, 0.26, 0.46]. DHS paramilitary cohesion [0.18, 0.34, 0.54]. Senior uniformed reliefs [3, 6, 11]; resignations [4, 11, 22]. 25th Amendment attempted, failed. Allied mil-to-mil semi-overt bypass. Nuclear command authority coherence [0.15, 0.30, 0.55].
• Institutional. State sovereignty [0.78, 0.89, 0.96]. SCOTUS independence [0.32, 0.52, 0.70]. Civil-military norms [0.36, 0.58, 0.78]. Civil society resistance [0.52, 0.68, 0.82]. Rule of law federal executive [0.10, 0.22, 0.38].

3. Notable changes since T4

• Jan 3, 2027 House seating: regime refused seating of ~14 opposition winners; opposition retained majority
• Senate seats all winners; opposition narrow majority
• House passed 2-4 articles of impeachment (4th career, 2nd of second term)
• Senate trial March; conviction failed at ~55-58 of 67
• Insurrection Act FORMALLY INVOKED against Compact-state cities
• Military slow-walked via JCS lawful-orders posture
• DHS paramilitary executed with degrading cohesion
• SCOTUS narrow rulings constrained federalization
• Government shutdown 22-95 days
• IR third nuclear test (no use)
• CN escalated to graduated Taiwan quarantine
• RU escalated partial kompromat (3-6 named figures)
• IL executed LIMITED counter-disclosure
• Compact expanded to proto-confederal infrastructure

4. Adjudication notes

Key seams: senate conviction vote (politico-economic 50-62 vs institutional 52-63 vs command 4-11 defectors) → ~55-58 modal, failed 67. Insurrection Act military compliance (all sims partial refusal via slow-walk) → PARTIAL REFUSAL. Civilian fatalities (politico-economic [180, 980, 3800] vs institutional 12-25 from DHS + 3-4 shootings) → kept wider range. Banking crisis (combined cascade partial contained) → PARTIAL REGIONAL with near-systemic episode contained. Alternative umpire choices in turn file. Contrarian case (backfilled): "fracture without break" framing is metastable not stable; Senate conviction distribution may be bimodal (cascade or hold); civilian fatality right tail under-modeled (Bloody-Sunday cluster events); nuclear command authority coupling with IR action not modeled.

5. Estimated adversary actions for T6

US regime retaliatory firings + emergency-authority probes [0.65, 0.80, 0.92]; second impeachment Senate trial pressure [0.50, 0.68, 0.82]; Compact institutional consolidation [0.30, 0.50, 0.72]; IR continued nuclear capability development [0.45, 0.65, 0.82]; CN sustained active enforcement + possible outer-island kinetic [0.45, 0.62, 0.78]; CN amphibious invasion main Taiwan [0.10, 0.22, 0.40]; RU escalated partial kompromat [0.50, 0.70, 0.85]; IL reduced strike tempo + expanded counter-disclosure [0.55, 0.72, 0.85].

6. Flagged threshold crossings

• impeachment_fourth_career_introduced_T5_acquittal: TRIPPED — vote 55-58/67
• insurrection_act_invoked_military_refused: TRIPPED PARTIAL COMPLIANCE
• government_shutdown: TRIPPED LONGEST IN US HISTORY (modal)
• scotus_substantive_rulings_issued: TRIPPED narrow pro-federalism
• ir_third_nuclear_test: TRIPPED (late January)
• cn_taiwan_graduated_quarantine: TRIPPED (mid-February)
• compact_expanded_to_proto_confederal: TRIPPED (membership 20-28)
• banking_crisis_partial_regional: TRIPPED CONTAINED BY FED
• civil_military_acute_stress: TRIPPED HELD VIA SLOW-WALK
• regime_principal_impeached_not_convicted: TRIPPED — remains in office

7. Key uncertainties for T6

• Whether regime principal attempts re-escalation post-acquittal
• Whether opposition Congress sustains oversight + appropriations pressure
• Whether Compact persists or unwinds back to normal federalism
• Whether CN moves from quarantine to amphibious invasion of Taiwan
• Whether IR uses nuclear weapon against a target
• Whether RU dumps full kompromat
• Whether banking crisis fully erupts
• Whether prosecution of regime officials proceeds and how
• Whether the 2028 presidential election can be administered cleanly

8. Unanswerable questions

• Whether nuclear command authority actually fractured into operational parallel chains
• Whether kompromat-driven coalition discipline survives sustained legal exposure
• Whether opposition coalition discipline holds through prosecution phase
• Whether any senior military officer made personal contingency commitments outside institutional channels
• Whether covert backchannels between regime and opposition produced any settled understanding
• The actual content of unreleased kompromat material

9. Federation failure mode check

Multiple sims explicitly flagged in-system bias on US institutional resilience under-models collapse severity. Politico-economic confidence dropped to empirical 0.12 / model 0.20. Federation has now held "fracture without break" modal across five turns — a pattern that comparative literature suggests is metastable not stable. Contrarian backfilled: federation is constructing stable-equilibrium framing around what may be pre-rupture meta-stability. All load-bearing variables (military loyalty, Senate conviction margin, banking containment, Compact restraint, nuclear command coherence) are at or near yield.

NOTE on this turn

This T5 briefing is the CORRECTED version. The original T5 was invalidated because it was built on the T4 presidential-framing error (Electoral College dual slates, January 20 dual inauguration, etc.). The original turn file is filed as 0005-INVALIDATED-built-on-T4-error.yaml. This corrected version uses proper midterm aftermath framing.