In circle
1 the Mossie has clearly got its weapons! Looks like a pretty beefy 20 MM Vulcan minigun; that thing packs some serious punch! That also means a lot of work has been done since we last saw the mossie as no vehicle animations had been done at that point
In circle
2 there are clearly pylons for mounting missiles or other attachments to the aircraft, either that or they are just there to look cool but perhaps we can give our mosquitos Air-to-Air missile loadouts or perhaps FFAR Rocket pods etc etc
In circle
3 is a Terran Republic galaxy looking pretty bad-ass, also pulling off a banking maneuver showing those new aircraft physics.