President Donald Trump fired top US military officer General Charles "CQ" Brown on Friday, part of a major shake-up of the ...

Elon Musk issues ultimatum to federal workers; Hegseth defends firing top military leaders - Musk has asked all federal employees to explain what they’ve been working on or resign – a method to keep a ...

Joby's eVTOL aircraft combines helicopter-like takeoff flexibility with fixed-wing aircraft speed and efficiency. The ...