Complex sentence: The feature was first photographed from the air by U.S. Navy Operation Highjump in January 1947, and was named by the Advisory Committee on Antarctic Names after Samuel D. Gerrish, an ionospheric physics researcher at Byrd Station, 1966.
Split into simpler sentences: The feature was first photographed from the air by U.S. Navy Operation Highjump in January 1947. Named by Advisory Committee on Antarctic Names (US-ACAN) after Samuel D. Gerrish, ionospheric physics researcher at Byrd Station, 1966.