The U.S. Secret Service discovered a cache of 100,000 SIM cards and 300 servers in New York capable of crashing cell networks, just hours before President Donald Trump's address at the UN General Assembly on September 23rd, 2025. Initial analysis of the SIM cards indicated ties to at least one foreign nation. This discovery occurred during the reporting window from 4:13 PM to 5:13 PM UTC on September 23rd, 2025. The Secret Service had previously dismantled a significant telecom threat in the New York area, a measure taken prior to the UN General Assembly. In relation to President Trump's UN activities, he met with Argentinian President Javier Milei at the United Nations earlier in the day. Separately, Fed Chair Jerome Powell indirectly rebutted criticisms from Secretary Scott Bessent regarding the central bank's independence and actions following the 2008 financial crisis and the 2020 pandemic. Powell stated that despite these shocks, the U.S. economy has performed comparably to other large, advanced economies. New polling data released between September 19th and September 22nd showed President Trump with a 43% approval rating among likely voters, with 55% disapproving. Among all adults, his approval was 39% with 58% disapproval. In other developments, Anduril successfully tested a prototype surface-launched Barracuda-500 missile, aiming to provide more affordable and flexible long-range precision fires to the U.S. and its allies. Separately, an endorsement for Charlie Kirk was made for Jack Ciattarelli's gubernatorial campaign in New Jersey, encouraging early voting. Previous reports indicated President Trump's meeting with UN Secretary General António Guterres occurred between 3:37 PM and 4:07 PM UTC. During his UN address, Trump criticized climate change claims and the UN's actions. French President Emmanuel Macron's motorcade was briefly delayed by Trump's motorcade. Secretary Pete Hegseth announced the termination of the Defense Advisory Committee on Women in the Services. Earlier in the day, Trump experienced teleprompter and escalator issues during his arrival at the UN.