Japanese media - North Korea may be preparing a submarine capable of launching SLBM

SLBM is submarine-launched ballistic missile. NHK with the report (via Bloomberg)

If you have a memory you'll know the preparations have been ongoing for months at least.

This, for example:

• Satellite photos indicate North Korea may be making preparations to test a submarine-launched missile

Did you get your entry in?:

• The ForexLive competition to name North Korea's new missile-capable submarine