Sentry Rocks (70°45′S 167°24′E) is a two high, rugged rocks lying just off Cape Dayman along the north coast of Victoria Land. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1960-63. The Advisory Committee on Antarctic Names (US-ACAN) applied this descriptive name which is suggestive of the position and appearance of the feature.
This article incorporates public domain material from the United States Geological Survey document "Sentry Rocks" (content from the Geographic Names Information System).
References
Sentry Rocks Wikipedia(Text) CC BY-SA