K731 White Shark

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K731 White Shark K731 백상어 중어뢰
Type	Heavyweight dual-purpose ASW and ASuW torpedo
Place of origin	South Korea
Service history
Used by	Republic of Korea Navy
Production history
Designer	Agency for Defense Development LG Innotek
Designed	1995
Manufacturer	LIG Nex1
Produced	2004–present
Specifications
Mass	1,100 kg
Length	6 m
Width	0.48 m
Operational range	30 km
Maximum speed	35+ knots (63+ km/h)
Launch platform	Submarine

K731 White Shark (Korean: 백상어; RR: Baek-sang-eo) heavy torpedo is a submarine-launched torpedo developed by the Republic of Korea Navy in 2004. Production was delayed for a year after a program error in the guidance system resulted in 2 failed tests in 2003. This glitch was fixed while developing the lighter-weight Blue Shark torpedo. Production cost for each torpedo is at about 950 million won (US$790,000).