Your focus is on ranged combat rather than wading into the thick of things.
Powers: force screen, psychokinetic cannon
Skills: Perception, Ride, Stealth
Bonus Class Skill: Stealth
Trance: Beginning at 3rd level, while maintaining psionic focus, you gain a +1 competence bonus on attack rolls made with a ranged or thrown weapon (natural weapons do not count for this benefit). This bonus increases by 1 every four psychic warrior levels thereafter.
Maneuver: Beginning at 3rd level, you can expend your psionic focus and make a ranged trip attack as a standard action. If your target is flying, they are instead staggered for one round. At 7th level and every four psychic warrior levels thereafter, you gain a +1 bonus to your CMB when using this maneuver.