According to Ukrainian partisans, recruiting Russian officers to help plan the devastating missile attack on Russia's Black Sea Fleet was made easier by the fact many hadn’t been paid by the Kremlin.
Recruiting Russian officers to help plan the attack was made easier by many of them not being paid their salaries
Some great coverage here: https://www.businessinsider.com/russian-officers-sold-black-sea-fleet-intel-ukrainian-fighters-report-2023-9