When the Devs make changes to Ships, Weapons etc, at times, certain Equipment disappear. As it has been mentioned above, it is one of those things that happens, and those of us that it affects, just have to suck it up.
The only time we, as Admins, have reimbursed anybody was, when the changes ended up with the loss of the very expensive Battleship Codename Weapons.
'I would like to be half as clever as some people like to believe they are' Life is full of disappointments, it is how we handle them that helps to define us, as a person