What changed in defense regulation and policy this week?
Government decisions, new rules and policy shifts reported this week.
Denmark and Greenland have reached a binding security agreement with the United States, set to be signed next week at the UN General Assembly in New York.
Read at aljazeera.com ↗European Commission President Ursula von der Leyen is proposing the creation of a European Security Council to address escalating security risks posed by Russia and the geopolitical shifts associated with Donald Trump.
Read at politico.eu ↗The United States administration under President Donald Trump is preparing a $2.8 billion arms package for Israel, which includes 60,000 heavy bombs.
Read at aljazeera.com ↗The Trump administration is planning a $2.8 billion arms deal to supply Israel with 40,000 bombs, including 20,000 MK-84s and 20,000 BLU-117s. This package follows previous arms sales approved by the administration in 2025 and January 2026.
Read at theguardian.com ↗Gulf states have postponed a critical meeting with Iran regarding the future of the Strait of Hormuz, originally scheduled for September 2026, due to a lack of consensus and rising tensions.
Read at theguardian.com ↗The United States military has officially acknowledged the presence of weapons in space.
Read at ft.com ↗US Secretary of the Air Force Troy Meink confirmed on September 14, 2026, at the Air, Space, Cyber Conference that the United States has deployed active space-control weapons into Earth's orbit.
Read at theguardian.com ↗8 of 27 regulation and policy events are listed; the rest were ranked lower by importance and multi-source corroboration and are not shown.
What funding rounds and acquisitions happened in defense this week?
The week’s notable investments, financing rounds, acquisitions and strategic deals.
The U.S. Department of Defense has awarded Antares a $161 million contract to demonstrate the R1-S nuclear reactor for space flight certification.
Read at ans.org ↗Defense tech startup Shield AI is currently in negotiations to raise new funding at a valuation of at least $20 billion.
Read at techmeme.com ↗What products launched in defense this week?
Notable product launches, releases and platform updates from the week.
President Donald Trump announced plans to repurpose a proposed 250ft triumphal arch in Washington DC into a military complex for weapon and ammunition storage.
Read at theguardian.com ↗The Air, Space and Cyber conference took place on September 14, 2026, featuring various defense contractors showcasing military hardware.
Read at breakingdefense.com ↗Hanwha Aerospace signed a contract with the Defense Acquisition Program Administration on Sept. 4, 2026, to mass-produce the Arion-SMET, the South Korean military's first multipurpose unmanned ground vehicle.
Read at thelec.net ↗What financial results were reported in defense this week?
Earnings, guidance and other financial results reported this week.
Prime Minister Benjamin Netanyahu’s government in Israel is currently negotiating to secure $8 billion in additional funding for the military.
Read at bloomberg.com ↗U.S. venture-backed technology companies have raised nearly $90 billion in domestic public offerings in 2026.
Read at crunchbase.com ↗A report from the Pentagon watchdog revealed that US forces have expended over $22 billion in munitions while countering Iran.
Read at businessinsider.com ↗The U.S. war against Iran has cost $38 billion over the first six months, with projected monthly expenses of $3 billion, according to a report by the Congressional Budget Office released on September 16, 2026.
Read at insurancejournal.com ↗A nonpartisan congressional watchdog estimates that the ongoing war with Iran will incur additional costs of $2 billion to $3 billion per month.
Read at wsj.com ↗A new Congressional Budget Office study reports that the war against Iran, initiated by President Donald Trump, has cost US taxpayers approximately $38 billion in direct expenses over the first five months.
Read at bloomberg.com ↗A Congressional Budget Office report released on September 17, 2026, states that combat operations in Iran have cost the U.S. Department of Defense approximately $38 billion as of August 1, 2026.
Read at breakingdefense.com ↗The United States has spent over $7.1 billion on naval operations in the Strait of Hormuz since January 2026.
Read at bloomberg.com ↗8 of 10 financial results events are listed; the rest were ranked lower by importance and multi-source corroboration and are not shown.
What court rulings and legal actions hit defense this week?
Court rulings, filings and legal actions reported this week.
US prosecutors have indicted former Russian intelligence officer Yuri Khrameev for allegedly offering $25,000 to a US citizen to track and assassinate an individual in Vilnius, Lithuania.
Read at bloomberg.com ↗A court martial in the UK is hearing a case against Col Samantha Shepherd and Maj James Hook, who are accused of failing to properly handle a sexual assault allegation made by 19-year-old soldier Jaysley Beck in July 2021.
Read at theguardian.com ↗The Israeli army concluded its investigation into the April 2, 2024, drone strikes that killed seven World Central Kitchen (WCK) aid workers in Deir al-Balah, Gaza, deciding against a criminal investigation.
Read at aljazeera.com ↗A UN fact-finding mission reported that the United States likely committed war crimes in Iran, specifically citing an air strike on a primary school in Minab on February 28 that killed over 150 people, including 120 children.
Read at aljazeera.com ↗What research was published in defense this week?
New research findings and studies published this week.
Defence and tech companies are participating in the annual Jammertest exercise in Norway.
Read at aljazeera.com ↗Brig. Gen. Steven P. Carpenter, commanding general of the U.S. Army's Multi-Domain Command – Europe, discussed the results of the Arcane Thunder 26 exercise.
Read at warontherocks.com ↗What incidents and outages hit defense this week?
Incidents, outages and safety events reported this week.
A massive Ukrainian drone attack on the Moscow region resulted in two deaths on September 20, 2026.
Read at bbc.co.uk ↗A Pentagon internal review indicates that overreliance on the Palantir-developed Maven Smart System contributed to a U.S. missile strike on a school in Minab, Iran, in February 2026.
Read at gizmodo.com ↗Saudi Arabia issued its first air raid alerts for the capital city of Riyadh on September 19, 2026, following an escalation in attacks by Houthi forces.
Read at bbc.co.uk ↗A fuel depot at an airport in Riyadh, Saudi Arabia, was set ablaze following an air attack on September 19, 2026.
Read at wsj.com ↗In spring 2026, the U.S. military aborted an armed operation against a Chinese vessel after discovering that the intelligence report was hallucinated by an AI chatbot.
Read at techcrunch.com ↗Leaked photographs obtained by BBC News from active military personnel reveal significant damage to US military bases in the Gulf region.
Read at bbc.co.uk ↗According to CNN, a US military intelligence report generated with the assistance of AI incorrectly identified a Chinese ship as carrying nuclear weapons components in the Middle East.
Read at techmeme.com ↗A Pentagon inspector general report reveals that US forces suffered significant losses in the conflict with Iran between February 28 and June 30, 2026.
Read at aljazeera.com ↗8 of 26 incidents and safety events are listed; the rest were ranked lower by importance and multi-source corroboration and are not shown.
What partnerships were announced in defense this week?
Partnerships, integrations and joint projects announced this week.
Korea Aerospace Industries (KAI) and the Korea Advanced Institute of Science and Technology (KAIST) signed a memorandum of understanding on September 18, 2026, to collaborate on aerospace research and specialist training.
Read at thelec.net ↗Antares and Centrus have signed a multi-year contract for the supply of high-assay low-enriched uranium (HALEU) to support Antares' advanced reactor projects.
Read at world-nuclear-news.org ↗The United States and Denmark have reached an agreement regarding security arrangements in Greenland.
Read at bbc.co.uk ↗LIG Defense&Aerospace Co., Ltd. (LIG D&A) participated in the launch of the 'Defense Supply Chain Security Win-Win Partnership' on September 17, 2026, at the JW Marriott Hotel in Seoul, South Korea.
Read at thelec.net ↗General Motors has agreed to manufacture components for Patriot missiles for Lockheed Martin.
Read at semafor.com ↗Lieutenant-General Ahmed Sharif Chaudhry of the Pakistani military pledged that Pakistan will defend Saudi Arabia against aggression to any extent, including physical military involvement.
Read at aljazeera.com ↗Finland has officially joined France's Forward Deterrence Initiative, becoming the 10th European country to participate in the nuclear cooperation framework.
Read at aljazeera.com ↗Hanwha Systems signed a contract on September 9, 2026, with the Korea Astronomy and Space Science Institute (KASI) to develop a space-based surveillance satellite and a ground-linked situational awareness system.
Read at thelec.net ↗8 of 13 partnerships events are listed; the rest were ranked lower by importance and multi-source corroboration and are not shown.
What people moved in and out of defense roles this week?
Executive appointments and departures reported this week.
German General Carsten Breuer and Canadian General Jennie Carignan are competing for the position of chair of the NATO Military Committee.
Read at politico.eu ↗What else happened in defense this week?
Developments from the week that fit none of the other sections.
The Federal Reserve is continuing to raise interest rates as inflation remains persistent in the United States.
Read at wsj.com ↗1 of 13 other developments events are listed; the rest were ranked lower by importance and multi-source corroboration and are not shown.