Complete the following tasks to unlock Vita trophy rewards.

Trophy	How to unlock
Bronze Star (Bronze)	Clear all missions on Normal an Infantryman.
Commendation Medal (Bronze)	Clear all missions on Easy as an Infantryman.
Distinguished Service Medal (Silver)	Clear all missions on Inferno as an Infantryman.
Easy as Breathing (Bronze)	Clear all missions on Easy as an Air Raider.
Fly the Friendly Skies (Bronze)	Clear all missions on Easy as a Pale Wing.
Hurricane Season (Bronze)	Clear all missions on Hardest as a Pale Wing.
Legion of Merit (Bronze)	Clear all missions on Hard as an Infantryman.
Making it Rain (Bronze)	Clear all missions on Normal as an Air Raider.
Mild Turbulence (Bronze)	Clear all missions on Normal as a Pale Wing.
Mission Accomplished (Platinum)	Obtain all other trophies.
Pale Wing, Pale Rider (Silver)	Clear all missions on Inferno as a Pale Wing.
Raiders of the Lost Air (Silver)	Clear all missions on Inferno as an Air Raider.
Raidin' Wins (Bronze)	Clear all missions on Hard as an Air Raider.
Silver Star (Bronze)	Clear all missions on Hardest as an Infantryman.
Stormy Weather (Bronze)	Clear all missions on Hard as a Pale Wing.
The Great Raider (Bronze)	Clear all missions on Hardest as an Air Raider.