Here is the full list of all 16 Strike Suit Infinity achievements.
Max out all reinforcement options
Have 50,000 or more reinforcement credits in the bank
Destroy a cruiser
Max out pilot upgrades
Max out all fighter craft for a round
Destroy a carrier
Don’t let any capital ships escape for 10 rounds
Don’t let any shuttles escape for 5 rounds
Destroy a frigate
Achieve a multiplier of x9
Destroy 7 enemies with the Strike Suits circus missiles in one barrage!
Destroy a shuttle
Complete an entire round without shooting
Fly alone for 4 rounds
Unlock every single weapon, missile and player upgrade
Complete 3 rounds in a row without switching into Strike mode