Chief Warrant Officer Grade 3 Xyline Rhea, O'Hara is a SPARTAN-III Commando and a eagle eyed marskman for Beta Company. Though, she was not present on OPERATION TORPEDO Instead, she was present on a Wolf Operation along with SPARTAN-B402 on the completely abandoned but controlled Covenant Planet Arcadia. Where it was her first but a hard operation for her. She's also the cousin of SPARTAN-B402.