Hmm...depends on your opponents - are you awarding 1VP per fighter base destroyed regardless of how it is purchased (i.e. in independent wings or carried craft? (think that's standard Armageddon ruling or that may just be Mongoose tournaments).
Might be worth considering the following mixed fleet
Point 1: Strikehawk x 1, Vaarl x 1, Star Snake Wing x 1 (5 Flights)
Point 2: Strikehawk x 2 (they carry a Sky Serpent each so 2 flights)
Point 3: Strikehawk x 2 (they carry a Sky Serpent each so 2 flights)
Point 4: Xixx x 1, Vaarl x 1, Tzymm Wing x 1 (3 Flights)
Point 5: Xixx x 1, Vaarl x 1, Tzymm Wing x 1 (3 Flights)
Gives you a bit of variety in the fleet (especially fighters) which are always nice to paint up if playing with minis and/or collecting and should be fun to play - alternatively, if you're opponent is very anti-fighter You could substitute point 1 for just Strikehawk x 2...but that's boring
Tactic for fleet would be to use Vaarls as initiative sinks and to gain scout re-rolls on high-value target, use Star-Snakes to delay and dogfight their fighters while your Tyzmms and Sky Serpents destroy them from distance.
Keep your Xixx well out of range using their SM, peppering ships with torpedoes while your Drazi make "slashing" attacks (boresight opponents, shooting past with All Power to Engines or whatever then turning around to do the same again...)
Meanwhile, hopefully you will have sufficient fighter advantage to be able to employ your Bombers (Sky Serpents and Tzymms) to attack ships hopefully blowing some up too or a least depleting their interceptors prior to the Xixx firing. Make sure to make good use of bombers vs. ships otherwise well protected (i.e. Stealthy ships).
Not quite a sentence but I suck at summarising sorry
