Devon III

Unidentified Celestial Body 5 is an unidentified planet briefly referred to in Metroid Prime 2: Echoes.

Trooper Logs (SPC F. Triplette)
"The sarge says those "Splinters" remind him of some killer bug he saw on another planet once. All I know is the things are fast and take a lot to drop. Pretty soon we'll have to go to bayonets. Everyone's low on ammo... even Brode, and he's the stingiest grunt I know."