The helicopter selected is to replace older Seahawks currently in service.

The M59 was replaced in service by the M113 family of vehicles.

An updated version with greater range, the R-24, replaced it in service.

It was replaced in British service with the Mk 7 mine.

Two Type 212 submarines are under construction to replace older types currently in service.

The ferries are intended to replace aging vessels currently in service.

The T-62 was later replaced in front-line service by the T-72.

It is expected to receive a total of 120 units to replace the Chetak helicopters in service.

It is currently scheduled to be replaced in British service in 2010.

These were eventually replaced in service by surplus P-51 Mustangs.