ສຽງ​ທີ່​ແບ່ງປັນ

The F-35B is a 27-ton brick that has no business being in the sky. Physically? It’s impossible. To hover, it balances on two narrow pillars of fire. If the thrust is off by even one percent... it’s a multi-billion dollar fireball. But the secret to this hover wasn't engineered in America. It was bought from a collapsing Soviet Union for a four-hundred-thousand dollar bargain.