Skills/Trainings

R&D - His primary focus within the Insurgency.
Medical - When doing combative duties, Ace is most likely found providing medical support.
Breacher - Ace also enjoys using his breacher equipment to move quickly around enemies.
Scout - Infiltration is another job enjoyed by Castillo. However, he is still newly trained and learning how to do it most effectively.
Heavy - Ace does not much enjoy being a heavy, as generally he prefers providing a support or flanking role for his fellow insurgents.
Marksmen - Ace is not very proficient with long ranged weapons, and thus is not great with Marksmanship.

Fishing, Hunting, and Foraging - Ace grew up around and in forests, and thus enjoys nature. He especially enjoys wilderness survival.
Cooking - Ace isn't bad at cooking by any means, and this goes hand in hand with his fishing and hunting skills.