The term kill chain is a military concept which identifies the structure of an attack.
It consists of: Conversely, the idea of "breaking" an opponent's kill chain is a method of defense or preemptive action.
[3][4] The "Five Fs" is a military term described by Maj. Mike "Pako" Benitez, an F-15E Strike Eagle Weapons Systems Officer who served in the United States Air Force and the United States Marine Corps.
Designed to update the Kill Chain to reflect updated, autonomous and semi-autonomous weapon systems, the "Five Fs" are described in "It's About Time: The Pressing Need to Evolve the Kill Chain"[5] as follows: A new American military contingency plan called "Kill Chain" is reportedly the first step in a new strategy to use satellite imagery to identify North Korean launch sites, nuclear facilities and manufacturing capability and destroy them pre-emptively if a conflict seems imminent.
The plan was mentioned in a joint statement by the United States and South Korea.