The Pentagon is prioritizing startup tech. Here are some of year's most notable aerospace and defense funding rounds.

A senior Ukrainian defense official told Business Insider that Russia has been modifying its Shahed drones and fielding new ...

Estonia will buy six new U.S.-made High Mobility Artillery Systems (HIMARS) as European members of NATO rush to build up ...

A Government Accountability Office report pinned delays and cost overruns on the Navy decision to start building the first ...

A source in the Security Service of Ukraine told Business Insider that the incident happened during an attack on the port ...

A senior Ukrainian defense official told Business Insider that Russian infiltration tactics have been successful in bad ...

Senior Ukrainian officials told Business Insider that Russia is using new jet-powered drones and bombs, but not in large ...

A senior Ukrainian defense official told Business Insider that the Delta system has increased combat efficiency and ...

Battle-tested Ukrainians often wanted to keep shooting until Russians surrendered or died. That's key at times, but could be unsustainable at others.

Operators are using the Xbox controllers to fly interceptor drones, an air defense tool that has been used extensively in ...

Business Insider observed US, Polish, and Romanian forces learning to use the Merops system, which has been combat-proven in ...

The American-made Merops system has already recorded over 1,000 kills against Russian Shahed-type drones in Ukraine.