Daily Report

Sept. 5, 2025

GAO: ‘Action Needed’ to Solve F-35 Block 4 Issues

Even after reducing the scope of Block 4 F-35 upgrades, Lockheed Martin will still needs two years to develop and install planned improvements, the Government Accountability Office said in a new audit of the fighter program. Details about what upgrades will be carried into production, as well as a new cost estimates won’t be available until this fall, the report said.

Pentagon Doubling Down on Alternatives to GPS That Aren’t in Space

The U.S. military is doubling down on non-space-based alternatives to GPS, the ubiquitous position, navigation, and timing service provided by the U.S. Space Force, with new funding for the development and testing of operational prototypes of quantum-based devices that don’t depend on easily jammable signals from satellites. 

Radar Sweep

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‘Unrestrained’ Chinese Cyberattackers May Have Stolen Data from Almost Every American

The New York Times

China has hacked into American power grids and companies for decades, stealing sensitive files and intellectual property such as chip designs as it seeks to gain an edge over the United States. But a sweeping cyberattack by a group known as Salt Typhoon is China’s most ambitious yet, experts and officials have concluded after a year of investigating it.

Flight Tests Begin on US Air Force’s New ‘Doomsday Plane’

Defense News

The Air Force and aerospace firm Sierra Nevada Corp. have started flight tests on the service’s next-generation “doomsday plane.” Flight tests for the E-4C Survivable Airborne Operations Control, or SAOC, are being held at the Aviation Innovation and Technology Center in Dayton, Ohio, the company said in a Sept. 3 release.

F-15E Strike Eagle Fires Drone Killing Laser-Guided Rockets in New Images

The War Zone

We now have our first look at a U.S. Air Force F-15E Strike actually firing air-to-air optimized variants of the laser-guided 70mm Advanced Precision Kill Weapon System II (APKWS II) rocket. This is a still relatively new capability for the F-15E that was rushed into service earlier this year.

VIDEO: Golden Dome: Tackling the Myths and Rumors Around America’s New Missile Shield

Breaking Defense

Breaking Defense’s Aaron Mehta sat down with Tom Karako, a missile defense expert at the Center for Strategic and International Studies, and John Plumb, a former top DOD space official, to talk about what Golden Dome is and what it might be. In this first of three videos, they lay out what you need to know about this new national defense priority.

One More Thing

Do USAF B-2 Spirit Bombers Have Beds?

Simple Flying

Sprawled on a canvas bunk less than an arm’s length from a weapons-release switch, the pilots of the B-2 Spirit do their best to get shut eye in the confines of their billion-dollar stealth bomber’s bunk.