KUSENTEI!
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(Subchaser No. 46 by Takeshi Yuki scanned from "Color
Paintings of Japanese Warships")
IJN Subchaser CH-25:
Tabular Record of Movement
© 2006 Bob Hackett, Sander Kingsepp and Peter Cundall
1940:
Yokohama. Laid down at Yokohama Dry-dock of Mitsubishi Heavy Industries as Subchaser No. 192
7 October 1941:
Launched and renumbered CH-25.
29 December 1941:
Completed and registered in the Kure Naval District. Assigned to the Kure Guard Unit. [1]
January 1942:
Patrols the Bungo Strait.
1 May 1942:
Assigned to Vice Admiral Hosogaya Boshiro's (former CO of MUTSU) 5th Fleet in SubChasDiv 13 with CH-26 and CH-27.
21 May 1942:
SubChasDiv 13 departs Yokosuka. Patrols in the Aleutians.
5 June 1942: Operation “AL”- The Invasion of the Aleutians:
Twenty ships of 5th Fleet, including light cruisers KISO and TAMA, three destroyers, three corvettes, three minesweepers and four transports carry the Adak-Attu and Kiska Occupation Forces to the Western Aleutians. The Adak occupation is cancelled and the Adak-Attu Occupation Force is directed to seize only Attu.
6 June 1942:
At 1500, Captain (later Rear Admiral) Ono Takeji’s Occupation Force lands a battalion of Special Naval Landing Force troops at Reynard Cove on Kiska without opposition.
7 June 1942:
At 0300, Rear Admiral (later Vice Admiral) Omori Sentaro's (former CO of ISE) Adak-Attu Occupation Force lands a battalion of Army troops on Attu, also without opposition.
15 July 1942:
W of Sredni Point, Kiska. LtCdr Mannert L. Abele‘s USS GRUNION (SS-216) attacks three warships he takes to be destroyers, but are, in fact, subchasers CH-25, CH-26 and CH-27. Abele torpedoes and sinks both CH-25 and CH-27 and possibly damages CH-26, all at 52-02N, 177-42E. CH-26 searches for survivors, but none are found. [2]
20 July 1942:
Removed from the Navy List.
Authors’ Notes:
[1] According to some Japanese sources CH-25 was completed on 31 Jan 1942.
[2] LtCdr Abele and GRUNION were lost on this, GRUNION's first war patrol. Japanese sources indicate that on 30 July 1942, GRUNION was sunk by the deck gun of freighter KANO MARU after the submarine attacked the maru with dud Mark XIV torpedoes, then surfaced to engage with her own deck gun. KANO MARU herself, was sunk a week later at Kiska Harbor by USN PBY "Catalinas".
-Bob Hackett, Sander Kingsepp and Peter Cundall.
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