Blow up renegades, blow up renegades, and then, you can always blow up renegades when u get bored.
Unfortunately, it is impossible to get any of the ships of the races, without pissing the other two races off. There is a way to get the missions for all three strands, without cheating, but its kinda complicated, i forgot who knew it...
its smarter to just recognize that only one race can really like you, and work for one race, to get all their techs.
You've probably played enough to know what their strangths are,
depends on your personality.
Igadzra have strong firepower, and lot of shields. Igadzra is the toughest warship in the Crescent.
Adzgari have their speed, everything is fast, their movement and their recharge. Azdara is the best fighter in the crescent.
Zidigar concentrates on firepower more than size, their ships are smaller than Igadzra, and they are faster, they have the best weopon (in my oppinion) the phased beamer.
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I'm an interfering git.