A mid-life update, particularly in the context of
defence
Defense or defence may refer to:
Tactical, martial, and political acts or groups
* Defense (military), forces primarily intended for warfare
* Civil defense, the organizing of civilians to deal with emergencies or enemy attacks
* Defense indust ...
, is maintenance or renovation designed to extend the usefulness and capability of an item.
See also
*
F-16 mid-life update
References
Product management
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