The Zetta class was never meant to be the top of the line, it prefers modularity and flexibility squeezed in a compact sealth shuttlecraft, the belly section can be easly swapped for a troop transpor, a bomb bay or heavy DEW module, two small weapon bays are located on the sides of the cockpit, these too can be configured to house conventional ordinance or front firing fusion cannons as in the picture.

Manuver thrusters are plentiful as the Zetta is a hefty densely packed craft, infact for defense it have 6 particle projection strips (the orange lines on the wings) that cover mostly the sides and rear.