Initial Command Structure:
Assigned to 21st Torpedo Boat Division, 2nd Base Force, Third Fleet.

23-29 November 1941:
Steamed from Sasebo to Takao.

6-8 December:
Departed Takao, then with Batan Island invasion force.

22 December:
With Lingayen invasion force, then to Takao.

29 December 1941-2 January 1942:
Escorted convoy from Takao to Camiguin Island.

4-8 January:
Escorted convoy from Camiguin to Davao.

9-12 January:
Departed Davao, then with Tarakan invasion force.

16-18 January:
Escorted convoy from Tarakan to Jolo.

22-23 January:
Departed Jolo, then with Balikpapan invasion force.

28 January-9 February:
Escorted convoy from Balikpapan to Camranh Bay.

14 February:
Departed Camranh, escorting convoy to Anambas Islands.

21-27 February:
Departed Anambas, then with Eastern Java invasion force.

10 March:
21st Torpedo Boat Division deactivated; reassigned to 23rd Special Base Force, 2nd Southern Expeditionary Fleet, Southwest Area Fleet.

14-21 March:
At Batavia.

28 March:
Arrived Makassar, then convoy escort duties out of that base.

5 May:
Reassigned to Osaka Guard District.

9-23 May:
Steamed from Makassar via Davao and Takao to Yura, Japan.

5-6 June:
Arrived Kushimoto, then patrol/escort duties out of that base.

25 October:
Patrol/escort duties extended Kushimoto-Yokosuka.

1 April 1943:
Reassigned to Yokosuka Naval District.

25 April:
Arrived Maizuru, then docked for repairs 4-18 May.

3 June:
Departed Maizuru, then Yokosuka-Yura patrol/escort duties.

22 March-6 April 1944:
Docked for repairs at Yokosuka.

15-25 August:
Docked for repairs at Yokosuka.

28 September:
Departed Nagaura, escorting convoy to Haha-jima.

3-4 October:
Escorted convoy Haha-jima to Chichi-jima, then to Tateyama on 7 October.

5-19 November:
Escorted convoy from Yokosuka to Chichi-jima and back.

24-25 November:
Steamed from Yokosuka to Toba, then patrol/escort duties out of that base.

25 November:
Assigned to 3rd Surface Escort Division, Yokosuka Naval District.

21-22 December 1944:
Departed Toba for Yokosuka. SUNK: torpedoed by USS TILEFISH (SS-307), 90 miles WSW of Yokosuka (34-30 N, 138-02 E).

10 February 1945:
Removed from Navy List.