Wikipedia
REDCON
In the U.S. military, the term REDCON is short for Readiness Condition and is used to refer to a unit's readiness to respond to and engage in combat operations. There are five REDCON levels, as described below in this excerpt from Army Field Manual 71-1.
Redcon (video game)
Redcon - Strike Commander (styled as REDCON) is a 2016 real-time strategy video game developed by Hexage. It is inspired by the Japanese anime film Memories.