The Porax-38 had interstellar range and was fitted with highly effective, long-distance sensor systems that provided early warning of enemy activity. These large P-38 fighters were also capable of independent hyperspace jumps, which enabled them to defend Utapau far into the Tarabba sector. Versatile thrusters, dual-reactor systems, and high-capacity deflector shielding made them a valuable asset to the Loyalist forces.
The interstellar range of these vessels also allowed them to take more punishment and they could endure longer, more arduous missions than tiny, fleet-based fighters like the Confederacy's Vulture droid fighters and droid tri-fighters and the Republic's V-wings and Eta-2s.
The Porax-38 was manufactured by Buuper Torsckil Abbey Devices and only required one pilot, who had to wear a protective breathing mask. It had enough consumables for 20 days of air, fuel, and food. Its primary armament was two laser cannons. The fighter's tiny cockpit could only seat one short, stocky Utai, not the tall Pau'ans. Some Porax-38s had the cockpit modified for an IG-100 MagnaGuard.
During the Clone Wars, several Porax-38 starfighters were captured by the Confederacy of Independent Systems and were subsequently modified to begin what became the Rogue-class starfighter line.
The CIS commander Zolghast also owned a Porax-38, which he kept on Tirahnn during the Separatist occupation of the world. However, it was captured by the Republic during the Battle of Tirahnn.
In the last year of the war, General Grievous's forces invaded Utapau. Tion Medon, the Master of Utapau Port Administration, ordered his outnumbered yet valuable P-38s into hiding, with the intention that the existence of the ships and their skilled pilots remain a secret until a better time to strike against the overwhelming might of the Separatists arose.
With the arrival of Republic forces under Jedi General Obi-Wan Kenobi, Tion recalled his P-38s from their hidden hangars and set them to expelling the Separatist forces. The Utapau Skyforce squadron that engaged the Techno Union light interceptors during Obi-Wan's arrival was led by the Utai Air Commodore Senin Vant.