He works as a pilot in the air force.

He belongs to the Japanese navy.

When he was young, he belonged to the army.

He took command of all the armies.

When I looked up at the night sky, I saw a beautiful asterism.

I saw a large crowd of elephants in the savanna.

The success of this project greatly depends on our flexibility.

There is Christmas in December.

There is Halloween in October.

Let's have lunch at twelve o'clock.