We hold meetings every week to strengthen teamwork.

In order to succeed in this project, it is necessary to strengthen teamwork.

He contributed to the team's defence.

He defended his opinion.

This battleship has enhanced antiaircraft capabilities.

He is making a model of a battleship.

How does this machine function?

Let's try the new function of this machine.

He is an expert in surface-to-air missiles.

The doctor recommended a blood test to check my liver function.