North Korea tests nuclear capable underwater drone Haeil-2

According to information published by KCNA on April 8, 2023, a national defence science research institute in the DPRK carried out a test of the nuclear-capable underwater drone Haeil-2.
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Russian Vyborg Shipyard laid the Purga ice class coastguard ship of project 23550 925 001 Second test of underwater drone Haeil-2. (Picture source: KCNA)

The test took place in Kajin Port, Kumya County, South Hamgyong Province, and involved the use of an underwater nuclear attack drone known as "Haeil-2".

The drone traveled a simulated underwater distance of 1,000 km in elliptical and "8" patterns set in the East Sea of Korea for 71 hours and 6 minutes. On April 7, the drone arrived in the waters off Ryongdae Port, Tanchon City, South Hamgyong Province, where the test warhead accurately detonated underwater.

2021-2023 North Korea tests

The period from 2021 to 2023 saw a series of missile tests conducted by North Korea, with multiple launches of short-range missiles, cruise missiles, and intercontinental ballistic missiles (ICBMs) reported.

In March 2023, North Korea conducted at least six short-range missile tests, with North Korean state media releasing photos of Kim Jong Un attending the tests.

On March 11, North Korea launched multiple cruise missiles from a submarine, marking the first time it had launched cruise missiles from a submarine and launched multiple submarine missiles during a single event.