SUMMARY
Operation: WARM BLANKET was an operation to recover Doctor Halsey from the Covenant after her capture during the Battle of Miridem in 2544. The operation was conducted by a team of five Spartan-IIs, John-117, Fred-104, Kelly-087, Solomon-069, and Arthur-079. While the mission was successful in recovering Dr. Halsey, both Solomon-069 and Arthur-079 were killed in action.
RELATED MEDIA
These events are depicted in the animated short film The Package, part of the anthology Halo Legends.