What was the 1995 Norwegian Rocket Incident?

Introduction The Norwegian rocket incident, also known as the Black Brant scare, occurred on 25 January 1995 when a team of Norwegian and American scientists launched a Black Brant XII four-stage sounding rocket from the Andøya Rocket Range off the northwestern coast of Norway. The rocket carried scientific equipment to study the aurora borealis over… Read More

What is an Emergency Action Message (US)?

Introduction In the United States military’s strategic nuclear weapon nuclear command and control (NC2) system, an Emergency Action Message (EAM) is a preformatted message that directs nuclear-capable forces to execute specific Major Attack Options (MAOs) or Limited Attack Options (LAOs) in a nuclear war. They are the military commands that the US military chain of… Read More

What are Letters of Last Resort?

Introduction The letters of last resort are four identically-worded handwritten letters from the prime minister of the United Kingdom (UK) to the commanding officers of the four British ballistic missile submarines. Refer to Operation Looking Glass, Dead Hand, and the Samson Option. They contain orders on what action to take if an enemy nuclear strike… Read More

What is a Counterforce?

Introduction In nuclear strategy, a counterforce target is one that has a military value, such as a launch silo for intercontinental ballistic missiles, an airbase at which nuclear-armed bombers are stationed, a homeport for ballistic missile submarines, or a command and control installation. The intent of a counterforce strategy (attacking counterforce targets with nuclear weapons)… Read More

70th Anniversary of the PLA Navy

This year marks the 70th anniversary of the founding of the People’s Republic of China and, today, 23 April 2019 is the 70th founding anniversary of the PLA Navy. In recent decades, China has undertaken a series of reforms to modernise its military. It has boosted its submarine force over the last 20 years, building… Read More