TC 3-22.69 governs advanced situational awareness, including observation, cognition, perception, sense-making, and training.
View TC 3-22.69 on armypubs.army.mil
TC 3-22.69 covers the five senses, human behavior, signs left behind by people, cultural context, threat tactics, and cognitive processes. Its eight-step training model includes issuing an operation order, rehearsing, conducting an after-action review, and retraining until the standard is achieved.
The autonomic nervous system is also called the involuntary nervous system due to the role it serves in the subconscious control of functions. (paragraph 6-12)
The sympathetic nervous system is responsible for the bodys response to stress. When a perceived harmful event, attack, or threat to survival occurs, the sympathetic nervous system is called into action. This system increases blood pressure, makes the heart beat faster, and slows down digestion. (paragraph 6-14)
After conducting the initial searches, the observer should continue searching by repeatedly alternating a hasty search with a detailed search every 15 to 20 minutes, depending upon the environment. (paragraph 3-44)
After performing the hasty search, an observer starts a detailed search using the overlapping strip method (see figure 3-6). Beginning at either flank, observers systematically search the terrain to their front in a 180-degree arc, 50 meters in depth. (paragraph 3-43)
Under normal conditions, an average human pace is approximately 30 inches. (paragraph 8-28)