We march in a very close formation which always looks good.
She trotted toward him, a reporter in close formation with her.
What people saw on that night was not aircraft, heavy or light flying in close formation.
He had ordered his men into close formation and waited for orders.
Six in close formation came through the open door like a team.
The coach was given orders to march us up and down the field in close formation.
Since they know well have to carry the battle to them, they'll probably be in fairly close formation.
Maybe they were flying in such close formation the radar couldn't pick them out.
"Those we choose must learn to stand in wide line battle order, and to move into close formation for an attack."
The small procession then marched out of the room in close formation.