Unlock the following medals by performing the corresponding tasks:
MEDAL - HOW TO UNLOCK Bronze Ace - Destroy 200 enemies Expert Marksman - Destroy 50 aircraft with guns Eye of the Storm - Defeat the Gleipnir Freedom Tower - Liberate Griswall Gold Ace - Destroy 1,000 enemies Land Guardian - Keep allied casualties at Stand Canyon to a minimum Mark of the Vioarr - Defeat the Fefnir Marksman - Destroy 5 aircraft with guns Sea Guardian - Keep damage to the allied fleet at Terminus Island to a minimum Sharpshooter - Destroy 15 aircraft with guns Silver Ace - Destroy 500 enemies
Unlock the following Stages by performing the corresponding tasks:
STAGE - HOW TO UNLOCK SP Stage: Operation X - Complete all missions and mission branches Stage 03B: Captive City - Complete Stage 05 or 06 before Stage 04 Stage 07C: Time Limit - Complete Stages 07, 09, 11, and 07C in that order Stage 12C: Wild Card - Complete Stages 07, 08, 10, 09, and 12C in that orde
To increase the chances of missiles hitting their targets, fire rounds off with your machinegun. This causes the AI to slow down in an attempt at dodging all of those bullets, making them more likely to get hit by the missiles.