Military Intelligence

noun A person who secretly collects and reports information about the activities, movements, and plans of an enemy or competitor.

verb To observe or gather information secretly.

• The government employed a spy to gather intelligence on the enemy.
• I think my neighbor might be a spy, always watching everyone from behind the curtains.
• I heard he's a spy for the other team, feeding them information.
• Her ability to read people's emotions is like being a spy into their thoughts.

noun a small unmanned aircraft used for collecting weather data and surveillance purposes

• The aerosonde is a small unmanned aircraft used for various research purposes.
• I heard they're using an aerosonde to collect data for the study.
• Check out that cool aerosonde flying overhead!
• The aerosonde swooped in like a silent guardian, gathering information without being noticed.