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Sphyrna is the 17th campaign mission of the Japanese version of Ace Combat 3: Electrosphere. It is the eighth mission along the UPEO (III) story arc.


The mission's primary target is the UI-4053 Sphyrna. Destroying it requires dealing significant damage to four points which become targetable one after another. Numerous Ouroboros fighters are also present, defending the Sphyrna, but are not primary targets.

Enemy List

Unit Count Notes
Icon-AirTGT.svg UI-4053 1 [note 1]
Icon-AirEnemy.svg XFA-36A 9
Icon-AirEnemy.svg R-103 3

A Rank

Earning an A rank on this mission requires destroying all 12 optional enemy aircraft before destroying the Sphyrna.[1]


  1. This enemy has four points to destroy.