They had this name before the Navy ever purchased them.

In 1931 the Navy finally purchased several systems, but this was to be his only real sale.

At some now unknown date, she was purchased by the Navy.

The Navy recently purchased, for $34.5 million, four systems, consisting of 32 vehicles.

In 2010 the Chinese Navy purchased 18 of these systems.

She was purchased by the Navy and placed in service on 21 May 1917.

She was purchased for $285,000 by the Navy and renamed 29 May 1941.

Once the vessel finally had been condemned, the Navy purchased her on 23 May 1863.

At the end of this, the Navy could then either return the ships, renew the lease or purchase them outright.

In May of that year, additional ground was purchased by the Navy to enlarge the original site.