The R-7 made 28 launches between 1957 and 1961, but was never deployed operationally.

An interim system, Hermes 450, was deployed operationally in 2007.

It was considered idea for the six week training course that the first members of the 2/6th had to endure before they were deployed operationally.

However, it was never operationally deployed during the war.

The number of operationally deployed strategic warheads stands at 1,968.

The sources suggest the system is not operationally deployed as of 2010.

It was nonetheless a heavy, unwieldy device and never deployed operationally.

Main version, first deployed operationally in 1964 (or 1966 - sources differ).

The missiles are not operationally deployed, although sites have been prepared for them.

These were first deployed operationally in 1915 on the Western Front.