Then we call the base and see what they have been doing.

The kidnappers called the base a couple of hours ago.

The diagram of a simple sentence begins with a horizontal line called the base.

This line containing the opposite side is called the extended base of the altitude.

The primary metal is called the base, the matrix, or the solvent.

He put on overalls, stuck a cigar in his mouth, and called the base.

He remembered the house had a telephone and it would only be a matter of time before they called the base, if they hadn't already.

Another reason is that later on, as you'll have read, he talks about being sent specifically to a base called Seltar.

As of 10 December, the airfield had no name and a debate ensued on what to call the new base.

Bob calls the base to report the news.