China’s newest aircraft carrier may only be able to conduct air operations at about 60% the rate of a 50-year-old US Navy carrier, two former US carrier officers say, a substantial combat limitation for a vessel meant to revolutionize Beijing’s fleet.

The C919 jet -- a single-aisle passenger plane aiming to rival Boeing’s 737 and Airbus’ A320 – is made by state-owned aircraft manufacturer COMAC. Beijing is showcasing it as evidence of China’s technological advancement and progress in self-reliance, though it uses many Western sourced components.

New video clips show three military aircraft, including a J-35 stealth fighter, taking off via electromagnetic catapult from the Fujian.

Both aircraft were on routine flight operations, the Navy said, when they went down in the South China Sea only 30 minutes apart.

An MH-60R Sea Hawk helicopter and an F/A-18F Super Hornet crashed into the South China Sea within a half-hour of each other on Sunday.

BAT, an AI-powered fighter jet designed to counter China's anti-access strategy by operating without runways, GPS, or constant communication.