Cairo Skywatch Tower

Cairo Skywatch Tower
U.S. National Register of Historic Places
Cairo Skywatch Tower, October 2008
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Location	County Road 850N at County Road 100W at Cairo, Tippecanoe Township, Tippecanoe County, Indiana
Coordinates	40°32′26″N 86°55′30″W / 40.54056°N 86.92500°W / 40.54056; -86.92500Coordinates: 40°32′26″N 86°55′30″W / 40.54056°N 86.92500°W / 40.54056; -86.92500
Area	0 acres (0 ha)
Built	1952 (1952)
NRHP Reference #	02000202
Added to NRHP	March 21, 2002

Cairo Skywatch Tower, also known as Delta Lima 3 Green Ground Observation Tower, is a historic watchtower located in Tippecanoe Township, Tippecanoe County, Indiana. It was built in 1952, and is a 40-foot tall wooden structure. It once had a glass-enclosed office. It was the first officially commissioned rural skywatch tower by the United States Air Force's Civilian Ground Observation Corps under the Operation Skywatch program.

It was listed on the National Register of Historic Places in 2002.