All news on the topic: Department of Defence

US Secretary of Defense Lloyd Austin has once again been hospitalised for an issue of a mostly undisclosed nature, which comes just weeks after his latest stay for cancer treatment

The use of drones in modern warfare has been brought into sharp focus in Ukraine and now the US is deploying artificial intelligence to accompany and control them

The CEO of a Netherlands-based tech firm who managed Mali's .ML domain name found millions of emails meant to go to the US military's .MIL address - and from today the Russian-backed military government in Mali will have access to misdirected messages

A huge sonic boom heard in Washington DC, Maryland and Virginia on Sunday was caused after an F-16 jet was scrambled in response to a rogue Cessna Citation jet that wasn't responding to radio signalling

A Pentagon official, Sean Kirkpatrick, in charge of the secretive military unit tasked with studying UFOs, made the claims in a draft paper

Four UFOs have been shot down over North America and the news has spread around the internet like wildfire, but are they from out of space, or somewhere more down to earth?

Luis Eiizondo worked on the US military's aerospace threat program and spoke out during a public event, saying that he believed UFOs are real and sightings are genuine