The pilots seemed to be having fun, flying in formation.

The aircraft was flying in military formation with two other helicopters.

Three of the planes had black crosses on them and were flying in formation toward the south.

He showed that they saved energy by flying in formation.

Soon the eight planes were flying in formation once again.

Maybe they were flying in such close formation the radar couldn't pick them out.

Once, they took off and were flying in formation when the control tower summoned them down.

Three helicopters came into view and flew in formation toward their position.

They had been flying in formation for a good five minutes.

There was nothing quite like seeing fighters fly in formation.