9. Fuse Division - 9. Sicherungs-Division
The division was set up on June 17, 1944 for security tasks in the area of the central to eastern Baltic Sea (from the Pomeranian to the Estonian coasts). To the west of it was the operational area of the 10th Security Division . The headquarters were initially in Windau , from February 1945 in Libau and from March 1945 in Gotenhafen in West Prussia . The Oxhöft control center was under the division.
Until June 1944, the division was under the command of the Commanding Admiral Ostland and then the Commanding Admiral Eastern Baltic Sea . In terms of service, the subordination was under the BSO until November 1944 and then under the command of the security forces .
In August 1944, the division took part in a rescue mission in Narwabucht for the 6th torpedo boat flotilla, which was partially sunk in a German mine barrier. The Wilhelm Gustloff was at anchor in the maritime area of responsibility of the 9th and 10th Security Divisions at the beginning of 1945 , but then left the port of Gotenhafen at the end of January 1945 without any security ships from the divisions. At the end of March 1945, the division carried out an evacuation operation from Oxhöft to the Hela peninsula called the Walpurgis Night Company .
The division's lead ship was the former passenger steamer Rugard .
- Rear Admiral Kurt Böhmer (June 1944 to September 1944)
- Frigate Captain Adalbert von Blanc (October 1944 to May 1945) also became the leader of the 1st Mine-clearing Division
- 1. Mining search flotilla 
- 3rd Minesweeping Flotilla,  from 5th Security Division
- 25. Minesweeper 
- 31. Mining search flotilla
- 1st clearing boat flotilla until sunk at the end of June 1944 as escort ship M 538 (ex Zieten ), then as escort ship M 566 (ex Störtebeker , ex M 66 )
- 17th clearing boat flotilla
- 7th Artillery Carrier Flotilla , from August 1944
- 3. Security flotilla
- 6th security flotilla including KFK 500 (from February 1945 from the 2nd security division )
- Reval Coast Guard Flotilla, from July 1944 14th Security Flotilla, including the Ammerland ship
- 3. Outpost Flotilla
- 9. Outpost Flotilla
- 1. U-Bootsjagdflottille
- 3. U-Bootsjagdflottille
Well-known members of the division
- Frigate Captain Karl Palmgren : at the end of the war with the division, at the beginning of May 1945 deputy commander and chief of the 3rd security flotilla
- Jürgen Rohwer, Gerhard Hümmelchen: Chronicle of the Naval War 1939-1945 . G. Stalling, 1968, p. 520 ( google.de [accessed on July 20, 2020]).