Science & Tech

Ukraine’s F-16s are fighting with help from a USAF electronic-warfare unit

A U.S. Air Force squadron reprogrammed the jets' EW gear before delivery—and expects to upgrade them as needed.

Business

US still needs to improve monitoring of arms sent to Ukraine, GAO finds

The State Department and Defense Department aren’t communicating well about Ukraine aid. That could hurt Ukraine.

Threats

Russia is pulling some troops out of Ukraine to fight Ukrainians in Russia

But “there are also real questions about [Ukraine’s] ability to hold captured Kursk territory,” said one expert.

Threats

Pentagon didn’t get heads-up about Ukraine’s Kursk offensive

U.S. officials still trying to discern Kyiv’s long-term objectives for the attack.