Mosquito was never commissioned but simply placed into service when required.

August 1948: 13 new 45-passenger buses are placed into service.

As with any new machine, a few bugs presented themselves when the class were first placed into service.

Even so, both missions provided heavy weapons that were immediately placed into service.

One never knew when the captain was going to need another shuttle placed into service.

It was placed into service in December and proved very popular.

The installation was officially placed into service on November 26, 2008.

Most of the M48s were placed into service with reserve units by this time.

They were placed into service between 1899 and 1905.

The truck was made locally and placed into service in July, 1870.