The B-52 was designed and built by Boeing, which has continued to provide support and upgrades.

Several software manufacturers have settled suits on terms that provide free upgrades and payments to the lawyers that sued them.

The service division provides replacement parts and upgrades for multiple manufacturer switches.

Customers provide all maintenance, upgrades, patches, and security.

ASCO also includes a Services branch, providing maintenance programs, modifications, upgrades, and emergency repairs.

A highly mobile unit, it will also employ open architecture to provide easy upgrades, and a variety of modes and capabilities depending on the software fit.

Eclipse Aerospace plans to provide upgrades to the current Eclipse fleet and will assess whether production can be restarted at some future point.

They allow CPU manufacturers to address market realities, while also providing cheap, easy-to-use, waste-free upgrades to those who want them.

Currently, the Russian-Belarussian company Defense Systems provides upgrades for P-18 radars.

It also allows customisations to stay synched and also provides continuous incremental upgrades.