The Mod-4 model was in production through 1969 and saw service until 1993.

The Mark 6 was produced from 1951-1955 and saw service until 1962.

All saw active service, and two were lost in action.

He had at one time seen military service, I think, as an officer.

"Public schools are just beginning to see service as a way to reform education," she said.

Bush is one of the last western leaders to have seen active service.

Number 33-014 saw service in several regions over the years.

She was launched on 29 May 1919, too late to see service in the war.

It saw very little service before the fall of France.

All saw active service, but none were lost in action.