Due to the rate of change and development in cyber, army leaders in the area have argued that the U.S. Army must update its cyber doctrines more regularly. While Chief of Staff at CYBERCOM, Lt. Gen. Stephen Fogarty instructed the Cyber Center of Excellence to update its doctrine/cyber field manual every 18 months. “We are outrunning our headlights…learning so much, whether or not it’s with our forces, with our doctrine, with our strategy; we are well forward of where we thought we would ever be,” stated the current commander of CYBERCOM.
Source: The Army probably needs to update its cyber doctrine every 18 months