What is this container used for?

He works as a fighter jet pilot.

He put on his combat uniform and headed for enemy territory.

His fighting strength is very high.

He was wearing new combat boots.

He is an excellent combatant.

He was finally able to obtain that rare comic.

I started asking questions to explore his opinion.

He reviewed the manuscript and made corrections where necessary.

He is supporting the new project wholeheartedly.