intelligence operation

the act of keeping a secret watch for intelligence purposes

intelligence of all types and forms of immediate interest; usually disseminated without delays for evaluation or interpretation

intelligence that is required for the planning and conduct of tactical operations

intelligence that is required for forming policy and military plans at national and international levels

intelligence information gathered from communications intelligence or electronics intelligence or telemetry intelligence

an intelligence operation so planned and executed as to insure concealment

the collection of intelligence openly without concealment

the act of reconnoitring (especially to gain information about an enemy or potential enemy)

intelligence activities concerned with identifying and counteracting the threat to security posed by hostile intelligence organizations or by individuals engaged in espionage or sabotage or subversion or terrorism

the systematic use of spies to get military or political secrets

spying on the spies

intelligence on the identity and capability and intentions of hostile individuals or organizations that may be engaged in espionage or sabotage or subversion or terrorism

counterintelligence achieved by banning or deleting any information of value to the enemy

tactical intelligence on the natural and man-made characteristics of an area

intelligence derived from electromagnetic radiations from foreign sources (other than radioactive sources)

technical and intelligence information derived from foreign communications by other than the intended recipients

intelligence derived from the interception and processing and analysis of foreign telemetry

a clandestine rescue operation to bring a defector or refugee or an operative and family out of danger

reconnaissance (by shortening)

exploring in order to gain information

reconnaissance either by visual observation from the air or through the use of airborne sensors

a method of reconnaissance in which fire is placed on a suspected enemy position in order to cause the enemy to disclose his presence by moving or returning fire

an offensive operation designed to discover or test the enemy's strength (or to obtain other information)

a quick look around (originally military slang)

the detection and identification and evaluation and location of foreign electromagnetic radiations (other than radioactive)

the aspect of counterintelligence designed to detect and prevent subversive activities

counterintelligence designed to detect and counteract sabotage