Retired aircraft can remain in the inventory

Does retiring Tranche 1 Typhoons necessarily mean the aircraft disappear from the inventory?

No. Aircraft can remain after formal retirement, although their retained roles and further upgrades depend on later decisions.

Formal retirement need not mean an aircraft disappears immediately from the inventory. The possible retention of retired Typhoons is compared with Tornado aircraft kept after retirement. Further Typhoon upgrades and other possible uses are mentioned without a detailed programme. The uncertainty is linked to decisions that had repeatedly been deferred.