Tsubame-class minelayer

The Tsubame class minelayer (燕型敷設艇,) was a class of minelayers of the Imperial Japanese Navy (IJN), serving during and after 1929 through World War II.

Tsubame (燕)

 * 17 September 1928: Laid down as the Capture netlayer (捕獲網艇) at Yokohama Dock Company.
 * 22 March 1929: Reclassified to 2nd class minelayer (二等敷設艇).
 * 24 April 1929: Launched.
 * 10 July 1929: Completed.
 * 30 May 1931: Reclassified to Special service ship (特務艇).
 * In 1936: Rebuilding by the Tomozuru Incident at Sasebo Naval Arsenal.
 * In 1938: Sortie for the Second Sino-Japanese War.
 * 18 December 1941: Sortie for the invasion of the Lingayen Gulf.
 * (after): She spent all her time on convoy escort operations in East China Sea and Java Sea.
 * 1 February 1944: Reclassified to Minelayer (敷設艇).
 * 1 March 1945: Sunk by air raid from U.S. Navy aircraft carrier at Ishigaki Island.
 * 10 May 1945: Decommissioned.

Kamome (鷗)

 * 11 October 1928: Laid down as the Capture netlayer at Ōsaka Iron Works.
 * 22 March 1929: Reclassified to 2nd class minelayer.
 * 27 April 1929: Launched.
 * 30 August 1929: Completed.
 * 30 May 1931: Reclassified to Special service ship.
 * In 1936: Rebuilding by the Tomozuru Incident at Sasebo Naval Arsenal.
 * In 1938: Sortie for the Second Sino-Japanese War.
 * 18 December 1941: Sortie for the invasion of the Lingayen Gulf.
 * (after): She spent all her time on convoy escort operations in East China Sea, South China Sea and Java Sea.
 * 1 February 1944: Reclassified to Minelayer.
 * 27 April 1944: Sunk by USS Halibut at north off Naha 27.61667°N, 128.18333°W.
 * 10 June 1944: Decommissioned.