Haeil

The Haeil (Korean: 해일; lit. 'Tsunami') is a series of unmanned underwater vehicles (UUV) produced by North Korea. First unveiled in 2023, the nuclear-capable Haeil has multiple variants, including three named variants: Haeil-1, Haeil-2 and Haeil-5-23. Development started in 2012, and the first public test of Haeil occurred in March 2023; however, before its public debut, there were more than 50 tests between 2021 and 2023 for Haeil.