K745 Blue Shark

The K745 Blue Shark is a lightweight anti-submarine torpedo developed for the Republic of Korea Navy in 2004.

Development
The Blue Shark torpedo can be deployed from surface ships, ASW helicopters and maritime patrol aircraft. Production cost for each torpedo is at about ₩ 1,000,000,000.

Blue Shark torpedoes are fitted to the Incheon class frigate (FFX). It is exported to the Philippines as part of the acquisition process for the Jose Rizal-class Frigates.

Variants
An improved variant, the lightweight torpedo-2 is being developed by LIG Nex1. New capabilities include longer range and lesser vulnerability to decoys. The research and development program is expected to be complete in 2029.

Operators

 * 🇵🇭 Philippines: Philippine Navy
 * 🇰🇷 South Korea: Republic of Korea Navy

Weapons of comparable role, performance and era

 * APR-3E torpedo - Russian equivalent
 * Mark 54 Lightweight Torpedo - US Navy's equivalent
 * A244-S - Italian equivalent
 * MU90 Impact - French/Italian equivalent
 * Sting Ray (torpedo) - British equivalent
 * TAL Shyena - Indian equivalent
 * Yu-7 torpedo - Chinese equivalent
 * Type 97 light weight torpedo (G-RX4) - Japanese equivalent