Complex sentence: Becket and his brother Yancy had once been pilots of "Gipsy Danger" and tasked with defending the Alaskan coastline when they ignored an order and engaged a "kaiju" directly.
Split into simpler sentences: Becket and his brother Yancy had once been pilots of "Gipsy Danger" and tasked with defending the Alaskan coastline. During a mission, they ignored an order and engaged a "kaiju" directly.