OCS allows you to upgrade the abilities of your soldiers and the size of your squad in the following ways:
Squad Size
Expands the available roster on your missions.
Rapid Recovery
Allows soldiers to heal from wounds twice as quickly.
Wet Work
Grants soldiers extra experience.
Iron Will
The will bonus gained upon promotion increases. This reduces the risk of your soldiers losing their cool.
New Guy
Allows new troops to start off in a specialist class.
Don't Die on Me
Makes high-ranking troops less likely to die in battle.
Psionic Testing
Allows chosen soldiers to access psychic powers after 10 days of training/testing.
