Passage: On 15 February 1761, he signed up for the Russian Navy in Saint Petersburg. After training, he served on a galley in the Baltic Fleet. In 1768 he was transferred to the Don Flotilla (Azov Sea Navy) in Taganrog, and served in the Russo-Turkish War (1768–74). He commanded Catherine II's own yacht, and later defended Russian merchant ships in the Mediterranean from British naval attacks.

Question: Where did he serve after training?
on a galley in the Baltic Fleet