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By UAPI Admin in MILITARY —

Staff Sergeant Robert Yanacsek

Silhouette of a researcher
Researcher silhouette. Image: Wikimedia Commons, public domain.
MILITARY

Staff Sergeant Robert Yanacsek

Crew Chief, U.S. Army Reserve

MILITARY

Staff Sergeant Robert Yanacsek is a key figure in the following UFO/UAP incidents: mansfield-ohio-1973-helicopter-incident. Details to be added after research.

Connected Case Files

mansfield-ohio-1973-helicopter-incident
Crew Chief, U.S. Army Reserve
SOURCE LOG
1Wikipedia contributors. "Staff Sergeant Robert Yanacsek." Wikipedia, The Free Encyclopedia. Accessed 2026-02-24.
Editorial Note: This profile is a placeholder. Biography content pending research from authoritative sources.
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