A Close Encounter of the Fifth Kind (CE5) is defined as proactive, bilateral, human-initiated contact with extraterrestrial intelligence. Unlike passive UFO sightings, this classification focuses on conscious communication.

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Origins and Evolution:

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• Original Coining: Jacques Vallée originally defined CE5 in his 1990 book Confrontations as cases where witnesses suffer physical effects, injuries, or healing from a UFO encounter. 

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• Modern Interpretation: UFO researcher Dr. Steven Greer popularized the modern definition of human-initiated contact.

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• Distinction: The first four encounter categories are passive observation or involuntary abduction; CE5 is premeditated and cooperative.

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The CE-5 Protocols:

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Practitioners attempt to establish contact using non-traditional communication methods rather than radio technology. The process is heavily rooted in consciousness:

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• Contact Meditation: Quieting the mind and projecting a cohesive mental intent or location into space.

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• Coherent Thought Sequencing: Visually guiding extraterrestrials to the group's physical location on Earth.

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• Sensory Equipment: Utilizing laser pointers, high-powered flashlights, and specialized audio frequencies to signal the sky

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​​​An expansion to the classification created by astronomer Dr. J. Allen Hynek, a technical advisor on UFO studies, to categorize experiences by increasing closeness.