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How Fighter Jets Lock On (and How the Targets Know)

The primary technology that a military aircraft uses to lock and track an enemy aircraft is its onboard radar. Aircraft radars typically have two modes: search and track. In search mode, the radar sweeps a radio beam across the sky in a zig-zag pattern. When the radio beam is reflected by a target aircraft, an…

Elon Musk: SpaceX Will File Suit Against the U.S. Government

Elon Musk, CEO and founder of SpaceX, announced Friday that SpaceX is filing suit against the Federal Government to protest and break the US Air Force's awarding of lucrative launch contracts for high priority national security satellites to a sole rocket provider – United Launch Alliance (ULA) – on a non competitive…