Collect all Trophies.
Down 200 enemies with artillery support calls.
Down 40 enemies that are stunned by the LRAD.
Recover 5 ships.
Complete the game on Admiral Difficulty.
Complete the game on Captain Difficulty or higher.
Complete the game on any Difficulty.
Complete "End Game" on any Difficulty.
Found all 28 hidden pegs.
Complete "Retaliation" on any Difficulty.
Defeated 40 enemy vessels in Ship Control gameplay.
Destroy 20 enemy ships with the USS Yukon.
Destroy 20 enemy ships with the USS Laredo.
Complete "They're Back!" on any Difficulty.
Destroy 20 enemy ships with the USS Missouri.
Down 40 enemies with Grenades.
Disarm or plant 20 charges.
Down 40 enemies with the Shotgun.
Destroy 20 enemy ships with the USS John Quincy Adams.
Complete "The Big Guns" on any Difficulty.
Down 40 enemies with the Alien Railgun.
Downed 3 or more enemies with one shot from the Railgun.
Occupied all support positions in "Overrun".
Complete "Overrun" on any Difficulty.
Downed 5 enemies with one support call.
Down 40 enemies with the KRAW.
Downed a Thug with the pistol.
Destroy 10 enemy ships with the USS Chesapeake.
Down 40 enemies with the Carbine.
Complete "Construction" on any Difficulty.
Fully outfit a ship with the maximum number of Wild cards available.
Down 40 enemies with the Pistol.
Complete "The Arrival" on any Difficulty.
Used your first support call.