pf2e.fyi
From Pathfinder Battlecry!, which isn't enabled.

Advanced Field Training

FEAT 6
ARCHETYPE
Archetype Commander
Prerequisites Basic Field Training

You gain a commander feat. For the purpose of meeting its prerequisites, your commander level is equal to half your character level.

Special You can select this feat more than once. Each time you select it, you gain another commander feat.
Pathfinder Battlecry!ORC