Cox Glacier is a small glacier

Glacier

A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...

 immediately east of Rochray Glacier

Rochray Glacier

Rochray Glacier is a glacier about 5 nautical miles long, located just east of Hendersin Knob on Thurston Island and flowing south to Abbot Ice Shelf in Peacock Sound. First delineated from air photos taken by U.S. Navy Operation Highjump in December 1946. Named by Advisory Committee on Antarctic...

 on Thurston Island

Thurston Island

Thurston Island is an ice-covered, glacially dissected island, long, wide and in area, lying a short way off the NW end of Ellsworth Land, Antarctica. It is the third largest island of Antarctica, after Alexander Island and Berkner Island...

, flowing south to Abbot Ice Shelf

Abbot Ice Shelf

The Abbot Ice Shelf is an ice shelf long and wide, bordering Eights Coast from Cape Waite to Phrogner Point in Antarctica. Thurston Island lies along the northern edge of the western half of this ice shelf; other sizable islands lie partly or wholly within this shelf.The ice shelf was sighted by...

 in Peacock Sound

Peacock Sound

Peacock Sound is an ice-filled sound, long and wide, separating Thurston Island from the Eights Coast of Ellsworth Land in Antarctica. The sound is occupied by the western part of the Abbot Ice Shelf, and is therefore not navigable by ships....

. It was delineated from air photos taken by U.S. Navy Squadron VX-6

VX-6

Air Development Squadron Six was a United States Navy Air Development Squadron based at McMurdo Station, Antarctica...

 in January 1960, and named by the Advisory Committee on Antarctic Names

Advisory Committee on Antarctic Names

The Advisory Committee on Antarctic Names is an advisory committee of the United States Board on Geographic Names responsible for recommending names for features in Antarctica...

 for Lieutenant Jerry G. Cox, U.S. Navy, a helicopter pilot aboard the USS Burton Island, who made exploratory flights to Thurston Island in February 1960.