In early 1942, Washington and twenty other American ships were the first to be equipped with fully operational radar.

As it is a research as well as an operational radar, the large amount of data accumulated is studied for further development in radar hardware and software capabilities.

The antenna panels used with phased array radar may be designed with an overlap that fills in any gap above a fully operational radar.

All current operational radars are described as Dnepr, and have been updated incrementally.

MacDill became the first operational mobile radar under the first phase of the program.

Freya radar - first operational radar with the Kriegsmarine.

Stage 'C' became the conversion of the stage B radar to an operational radar.

Shepherd's Hill RAAF Radar Site became the RAAF's first operational air-warning radar.

It is a research as well as an operational radar and is modified independently.

In 2002 the never operational radar transferred to Kazakhstan who were left with the responsibility to demolish it.