It turned out Quatre was a natural born pilot and strategist. He not only earned the respect of the Maganac but also their undying loyalty, as well as a place in their family. Rashid asked Quatre to return to Earth with them, but Quatre declined, promising to find them once he became stronger. He returned to the L4 colony in the company of Instructor H, an MO-III scientist he'd met during the liberation. Unbeknownst to Quatre, however, Instructor H was one of five scientists who had worked on the prototype Gundam Tallgeese, which leads us closer to the main plot of Gundam Wing.

Becoming disgruntled by the Alliance's control over the colonies, the scientists left the Tallgeese project and returned to their own colonies, where they proceeded to independently build their own Gundams in secrecy, preparing to retaliate against OZ, the force behind the Alliance. The plan was known as Operation Meteor. It was a project created by a man named Dekim Barton, and it called for launching a colony into Earth, causing mass murder on a global scale. Once the damage was done, five Gundams would be sent down to assimilate the planet, allowing the Barton family to assume control. The scientists disagreed with most of the plan; instead, they told their pilots (whom they'd hand-picked themselves) to go to Earth and attack only OZ bases.

Quatre was one of these pilots. Because of the strength and resolve he displayed during the MO-III liberation, he was chosen by Instructor H to pilot Sandrock. In AC 195, Operation Meteor began, and Quatre was reunited with the Maganac.

» Mobile Suit Gundam Wing
The series begins with Operation Meteor. Quatre and the other four Gundam pilots were independently sent to Earth without knowledge of each other, with orders to destroy OZ military bases. Quatre landed in the deserts of the Middle East, where he was then reunited with the Maganac Corps. There we learned that Quatre asks his enemies to surrender before he battles them, giving them a chance to keep their lives. Unfortunately, his enemies didn't listen, as they often don't; he was able to tear them down easily with Sandrock, obviously regretful of doing so.

During a common mission at the Corsica base, he ran into fellow Gundam pilot Trowa Barton, who didn't hesitate to attack Sandrock once all of the OZ mobile suits had been destroyed. Noticing the similarities between their Gundams, as well as the fact they appeared to be on the same mission, Quatre insisted that they stop fighting. The battle ceased, and Trowa took brief refuge at the Maganac base, where his Gundam, Heavyarms, was repaired at Quatre's request.

After striking up a friendship of sorts, the two parted ways, not meeting again until they were both en route to California for yet another shared mission, this time at New Edwards Base. Although Trowa was hesitant to form a partnership, they ended up cooperating during the attack. It was there that they also met Gundam pilots Heero Yuy and Duo Maxwell, and the four of them seemingly completed their mission when Heero destroyed a shuttle that was supposedly carrying OZ officials. However, when the fifth pilot, Chang Wufei, made an appearance, he notified them that they'd all been duped by OZ leader Treize Khushrenada, and the shuttle had actually been carrying Alliance pacifists. On that same day, OZ launched Operation Daybreak, a world-wide coup d'etat that would overthrow the Alliance and put OZ in control. Quatre aided Heero in deactivating the missiles that would have been used to carry out the plan, before all of the pilots parted ways once more.

Later, Quatre was admonished by Rashid for going into a mission by himself, but Quatre explained that he'd met up with four other Gundam pilots and knew they were on his side. When asked how he could be sure, he explained that his "space heart" told him so. This appears to be some type of psychic/empathic ability, although it's never expanded upon, despite being mentioned a few more times in the series, leaving its true nature open to interpretation.