Ackerman Ridge is a prominent rock ridge forming the northwest extremity of the La Gorce Mountains

La Gorce Mountains

La Gorce Mountains is a group of mountains, 20 nautical miles long, standing between the tributary Robison and Klein Glaciers at the east side of the upper reaches of the Scott Glacier, in the Queen Maud Mountains...

 of the Queen Maud Mountains

Queen Maud Mountains

The Queen Maud Mountains are a major group of mountains, ranges and subordinate features of the Transantarctic Mountains, lying between the Beardmore and Reedy Glaciers and including the area from the head of the Ross Ice Shelf to the polar plateau in Antarctica...

. Discovered and roughly mapped in December 1934 by the Byrd Antarctic Expedition geological party under Quin Blackburn. Named by 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...

 (US-ACAN) for Lieutenant Ronnie J. Ackerman, navigator

Navigator

A navigator is the person on board a ship or aircraft responsible for its navigation. The navigator's primary responsibility is to be aware of ship or aircraft position at all times. Responsibilities include planning the journey, advising the Captain or aircraft Commander of estimated timing to...

 of 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...

 during Operation Deep Freeze

Operation Deep Freeze

Operation Deep Freeze is the codename for a series of United States missions to Antarctica, beginning with "Operation Deep Freeze I" in 1955–56, followed by "Operation Deep Freeze II", "Operation Deep Freeze III", and so on...

 1965 and 1966.

There are three spurs on the south-western side of Ackerman Ridge, including Surprise Spur

Surprise Spur

Surprise Spur is a prominent spur, the northernmost of three spurs on the southwest side of Ackerman Ridge in the La Gorce Mountains of Antarctica. First mapped by United States Geological Survey from surveys and U.S. Navy air photos, 1960-64...

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