Source: Starfinder Core Rulebook p.94

You specialize in missions requiring courage and athleticism.

Associated Skills: Acrobatics and Athletics. You can attempt an Acrobatics check to make a trick attack.

Specialization Exploit: Versatile movement

Terrain Attack (Ex) At 11th level, when you and a foe are both balancing, climbing, flying, or swimming, you automatically succeed at any Bluff check required to make a trick attack against that foe.