At the same time, a North Korean submarine was spotted in international waters engaging in “unusual activity,” two defense officials said.
North Korea’s submarine fleet is believed to encompass around 70 subs, though the majority are quite old and likely cannot fire missiles.
When taken together, these developments are concerning because North Korea says it is trying to develop a missile capable of delivering a nuclear warhead to the United States.
Pyongyang has long maintained the ability to legitimately threaten the United States with a nuclear attack is the only way to protect itself against any US-led attempts at regime change.
Land-based and submarine-based missiles are considered two-thirds of what is known as the “Strategic Triad,” a theory that a state must have land, air and sea based nuclear attack capabilities to successful deter an enemy from trying to attack it.
The latest intelligence about a potential second ICBM test comes as the second …