Russian naval officer Mjasnov according to a report from the Military Observer at Riga, Latvia dated 22 July 1921

The information was received from the Latvian General Staff and considered to be reliable. In fact few was known dealing with the personnel of the Central Institutions except that the majority in authority were former naval officers already officers prior to the First World War. The descriptions of the officers were supplied by a former high officer of the Imperial Russian Navy which now stayed in Latvia. Former 2nd class cruiser. “Chief of the Petrograd Naval Base (April 1921); as an officer, fair; very good-natured and soft-hearted; of (?) character; medium abilities; commanded the minelayer Volga during the war [First World War].”

Source

National Archive. Record Group 165: Records of the War Department General and Special Staffs Series: Security Classified Correspondence and Reports. File Unit. Russia: Navy - MID 2503-16 THRU 2503-265. Roll 1443.