Look to the future, look to future events

ETYM French patrouille, Old Fren. patouille. Related to Patrol.
1. A detachment used for security or reconnaissance.
2. A group that goes through a region at regular intervals for the purpose of security.
3. The activity of going around or through an area at regular intervals for security purposes; SYN. patrolling.

The act of reconnoitring (especially to gain information about an enemy or potential enemy).
Military survey of country, disposition of forces, etc.; act of spying out land.

The act of observing.