“The steel sword of our homeland, the Atmaca anti-ship missile, first hit a target in the form of a ship during test firing before being put into service,” Erdogan wrote on Twitter.

Mavi Vatanımızın Çelik Kılıcı ATMACA Gemisavar Füzemiz, bugün envantere girişi öncesi gerçekleştirilen son test atışında ilk kez bir gemi hedefini tam isabetle vurmayı başard.

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Türk Silahlı Kuvvetlerimize ve Donanmamıza hayırlı, uğurlu olsun.

pic.twitter.com/XVPXhTGgTI

- Recep Tayyip Erdoğan (@RTErdogan) June 18, 2021

Earlier, the Turkish president, during a meeting with President of the United States Joe Biden on the sidelines of the NATO summit, announced the invariability of Turkey's position on the C-400.