Challenger beta 2.0

Description
An updated version of the Challenger beta. This version boasts a new sod and build buttns, aswell as as an updated odf to add some balance out the ship instalation instructions

[quote]
the challenger class was created by starfleet as a prototype heavy fighter. but because of the lack of shielding and the fact that the war with the dominion was over starfleet scraped the idea. now due to a leak in security the plans have been released.
[/quote]