Air Force One is ready for immediate takeoff.

There was every evidence that our aircraft had already been serviced and were ready for immediate takeoff.

No, he'd said he wanted the ship ready for immediate takeoff.

A nearby ship ran up its engines, but that was apparently only a test rather than preparation for immediate takeoff.

The aircraft remaining on the carriers were spotted on the decks for immediate takeoff.

"Stand by for immediate takeoff when our last member reaches us."

You're fully armed, and your engines will overheat very quickly at high standby, so prepare for immediate takeoff!

Lunch over, the crew prepared for immediate takeoff.

A voice on the PA announced immediate takeoff.

I am about to taxi out for immediate takeoff on Becton tube 195.8.