Here is the full list of all 24 Void Destroyer achievements.
Eliminate enemy forces before entering the gate back to the Palm
Going through is not advised...
Capture Karakum
Destroy the Digger
Hundreds of mines can't stop you
Destroy the Mega Gun
Capture Nottingham
Recover The Hammer
Capture Petra
Destroy the Newsum
Destroy the Talon in front of the Hub gate
They will send in more
Destroy the Kionnoh
Complete the TSF dogfight scenario
Complete the MU dogfight scenario
Complete the Digger dogfight scenario
Complete the Scarab dogfight scenario
Complete the Stubs dogfight scenario
Complete the Outsiders dogfight scenario
Destroy Gazers