During Operation British, Shin Matsunaga together with Meyer was tasked with protecting the depopulated colony cylinder Island Iffish from Side 2, Bunch 8 that was used to drop on Earth. Although the Earth Federation Forces made a nuclear strike, the colony was only broke into giant pieces as it hit Sydney and several other locations. In this operation did he downed a Magellan-class battleship and several FF-S3 Saberfish fighters. After the battle, Shin, alongside Anavel Gato, Char Aznable and several other distinguished pilots personally received praise from commander of Zeon's Space Attack Forces, Vice Admiral Dozle Zabi (whom he has befriended since childhood).