Tom Cruise and his “Top Gun: Maverick” co-stars were pushed to the limit while filming the dizzying flight scenes for their action-packed sequel.

A new behind-the-scenes look at the making of the film involving real fighter pilots, flights and yes, real G-force, shows Cruise and co. undertaking some gruelling training, courtesy of the U.S. navy. That training includes some real-life vomiting from cast members who couldn’t hold on to their lunch.

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“You can’t fake that, the distortion in the face, they’re pulling 8 Gs — that’s 1,600 pounds of force and I’m so proud of them,” Cruise says in the video.

“Aviation filming like this has never been done and chances are, will never be done again,” producer Jerry Bruckheimer states. The filming is all part of showing audiences what a true Top Gun pilot experience is like.

“You just can’t create this kind of experience unless you shoot it live,” Cruise adds.

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“Top Gun: Maverick” picks up 34 years after the original movie with hotshot Top Gun pilot Pete “Maverick” Mitchell now an aviation instructor to the new guys, including Bradley “Rooster” Bradshaw (Miles Teller), the son of Maverick’s late friend Goose (Anthony Edwards). Jennifer Connelly, Glen Powell, Jon Hamm, and Ed Harris are all on board as new characters with original star Val Kilmer reprising his role as Iceman.

“Top Gun: Maverick” flies into theatres on June 26, 2020.