Russian sailors could oppose both the tsarist government and the Reds

Did much of the Russian Navy side against the Reds during the revolution, causing another loss of institutional memory?

Naval allegiances were mixed: much of the service opposed the tsarist government, while some also opposed the Reds.

Much of the Russian Navy opposed the tsarist government while also resisting the Reds. That position is characterised as relatively moderate within the revolutionary struggle. Naval officers also appeared on the other side of the civil war, including an admiral who became a successful White commander and brought his army from Siberia.