Thermal signature

Definition

Heat emissions from military equipment or personnel, detectable by infrared sensors. The military version of 'your heating bill says you're home.'

Example Usage

The tanks showed strong thermal signatures on the FLIR imagery.

Origin

Military surveillance and targeting technology, Cold War era

Fun Fact

Thermal camouflage is an ongoing technological arms race in military development.

Source: Military surveillance and targeting technology

Related Terms

Beginner

OPFOR

Opposing Force—the designated enemy in training exercises, or actual adversary forces in planning. The people whose job is to make your day difficult, whether for practice or real.

🎖️ Military / Defense

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soup sandwich

Something completely disorganized, ineffective, or impossible to execute properly. The full phrase 'ate up like a soup sandwich' describes the ultimate state of dysfunction—because soup between bread is objectively terrible.

🎖️ Military / Defense

Advanced

COMINT

Communications Intelligence—gathering intelligence by intercepting and analyzing enemy radio, telephone, and data communications. High-tech eavesdropping with government authorization.

🎖️ Military / Defense

Advanced

C4I

Command, Control, Communications, Computers, and Intelligence. The nervous system of modern military operations—without it, your army becomes very confused and violent.

🎖️ Military / Defense

Beginner

Tactical

Relating to actions carefully planned to gain a specific military advantage. In military use, it means precise and strategic. In civilian use, it means someone put MOLLE webbing on a perfectly normal object and tripled the price. Tactical flashlight, tactical pen, tactical yoga pants — nothing is safe.

🎖️ Military / Defense

Intermediate

Operational Security (OPSEC)

Measures to protect sensitive information about military operations. The paranoid mindset that everyone outside the briefing room is the enemy.

🎖️ Military / Defense

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