Last updated: October 27, 2026.
These reference guides answer the questions readers ask most about world power: who belongs to which alliance, who has nuclear weapons and who spends the most on defense. Each guide uses official and primary data, with a table, an FAQ and sources.
- NATO Countries List 2026: All 32 Members and When They Joined
NATO countries list for 2026: all 32 member states with the year each joined, the 12 founders, the 10 enlargement rounds and each ally’s 2025 military spending. - Countries With Nuclear Weapons 2026: All 9 and How Many Warheads
Nine countries have nuclear weapons in 2026. SIPRI’s January 2026 count: 12,187 warheads worldwide, with deployed, stockpiled and retired totals for each country. - BRICS Countries List 2026: 11 Members and 10 Partner Countries
BRICS countries list 2026: the 11 full members, the 10 partner countries, when each joined, who chairs BRICS this year and how BRICS compares with NATO. - UN Security Council Members 2026: The 5 Permanent and 10 Elected Seats
UN Security Council members in 2026: the five permanent members with veto power and the 10 elected members, their terms, regions and how the seats are filled. - US Defense Budget 2027 Explained: The $1.5 Trillion Request
The US defense budget 2027 request is $1.45 trillion: $1.1 trillion discretionary plus $350 billion mandatory. Year-by-year totals, priorities and what Congress decides. - Five Eyes Countries: Members, Agencies and Origins of the Alliance
The Five Eyes countries are the US, UK, Canada, Australia and New Zealand. What the intelligence alliance is, each signals agency, and its roots in the 1946 UKUSA deal. - Largest Military Budgets by Country 2026: SIPRI’s Top 30 Ranked
The world’s largest military budgets ranked: SIPRI’s 2025 top 30, led by the US at $954 billion and China at $336 billion, with each country’s share of GDP.
Warfare explained
Plain-English explainers on how modern militaries are organized and what their main weapons do, built on Pentagon, service and Congressional Research Service sources.
- Ballistic Missile vs Cruise Missile: Key Differences Explained
Ballistic missile vs cruise missile: how each flies, speed, range and detection compared, where hypersonic weapons fit, and which is harder to stop. - Army Ranks in Order: Every U.S. Army Rank From Private to General
Army ranks in order from lowest to highest: all 13 enlisted, 5 warrant officer and 12 officer ranks, with pay grades, roles and promotion times. - Military Unit Sizes: Squad, Platoon, Battalion, Brigade, Division
Military unit sizes explained: how many soldiers are in a squad, platoon, company, battalion, brigade, division and corps, with official ranges. - Types of Warships: Carriers, Cruisers, Destroyers and Frigates
Types of warships explained: carriers, cruisers, destroyers, frigates, amphibious ships and submarines, with U.S. Navy numbers and roles. - Nuclear Triad Explained: ICBMs, Submarines and Bombers
The nuclear triad explained: what it means, the three U.S. legs of ICBMs, submarines and bombers, warhead counts, replacements and costs. - F-22 vs F-35: Speed, Stealth, Cost and Fleet Size Compared
F-22 vs F-35 compared: speed, supercruise, sensors, weapons, cost and fleet size from Air Force and GAO figures, and which jet does what best.
For daily news, see the War Room, the trackers and all topics.
By Peter. Prepared with AI assistance.
