National security, technology
and geopolitical risk

Daily Brief

Daily Brief

Reported developments, analysis and source notes. Each edition keeps its original date.

Public edition

Evening Edition

Published Monday, May 25, 2026 6:31 PM ET

Archive edition. The analysis and confidence labels reflect the evidence available at publication.

INDO-PACIFIC

Report to Congress on China's Nuclear and Missile Proliferation

What changed
The Congressional Research Service released its May 19 report on China's nuclear and missile proliferation on May 25.
Confidence: Medium
Source basis: USNI News.
INDO-PACIFIC

Japan Announces 2 Major Western Pacific Exercises with U.S.

What changed
On May 25 Japan announced two joint exercises with the United States: Resolute Dragon 26 in late June and the Japan segment of Valiant Shield 2026. The drills will involve U.S. and Japanese forces across the Western Pacific.
Confidence: Medium
Source basis: USNI News.
EUROPE

Massive Russian strike on Kyiv: I hope my friends are alive

What changed
During the night of May 24 Russia launched an attack on Kyiv involving roughly 90 missiles, including a hypersonic ballistic missile, and 60 drones. The strike targeted the Ukrainian capital and caused significant damage. The event adds urgency to U.S. support for Ukraine.
Confidence: Medium
Edition source notes · View source list
1. The Hill - Massie teases 2028 comeback after primary loss to Trump-backed challenger 2. Al Jazeera - Israel to intensify Lebanon offensive to crush Hezbollah 3. USNI News - Report to Congress on Chinas Nuclear and Missile Proliferation 4. NYT World - Netanyahu Says Israel Plans to Intensify Attacks on Hezbollah in Lebanon 5. The Hill - Israeli opposition leader pushes back on reported US-Iran peace framework 6. BBC World - Netanyahu says Israel will intensify strikes against Hezbollah 7. Al Jazeera - Trump dangles normalisation amid pro-Israel criticism of possible Iran deal 8. USNI News - Japan Announces 2 Major Western Pacific Exercises with U.S.
Open-source analysis for U.S. strategy.