From Halopedia, the Halo wiki
'Qualomee was a Covenant Sangheili assigned to Installation 04 in the 9th Age of Reclamation. After the Pillar of Autumn was shot down over the Halo, 'Qualomee was captured by the Marine and ODST forces who survived.
Becoming rather disillusioned with the Covenant, 'Qualomee told Captain Keyes and Fireteam Charlie during an interrogation that he had been part of a group that had delivered a shipment of weapons to a structure in the swamps of the Installation. However, the weapons were not found, implying that he was either lying or perhaps, had in fact delivered weapons to the massacred Covenant troops found there.
'Qualomee was most likely killed when he was taken aboard the Truth and Reconciliation after that ship was captured by the humans or consumed by the Flood that was released and most certainly perished in the catastrophic destruction of Installation 04.
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