Mount Braun is a mountain rising to about 900 metres (2,952.8 ft), forming the northeast extremity of the Sofia Mountains of Alexander Island

Alexander Island

Alexander Island or Alexander I Island or Alexander I Land or Alexander Land is the largest island of Antarctica, with an area of lying in the Bellingshausen Sea west of the base of the Antarctic Peninsula, from which it is separated by Marguerite Bay and George VI Sound. Alexander Island lies off...

. The feature forms the northeast part of a horseshoe-shaped ridge 3.5 miles (5.6 km) east-southeast of Mount Holt

Mount Holt

Mount Holt is a mountain rising to about 750 m at the terminus of Palestrina Glacier, Lazarev Bay, Alexander Island. The mountain was photographed from the air by Ronne Antarctic Research Expedition , 1947–48, and was mapped from the photos by D. Searle of Falkland Islands Dependencies Survey in...

. It was 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 Commander William K. Braun, U.S. Navy, C-121J (Super Constellation) aircraft commander, Squadron VXE-6

VXE-6

VXE-6, Antarctic Development Squadron 6 , commonly referred to by its nickname, The Puckered Penguins was a United States Navy Air Test and Evaluation Squadron based at McMurdo Station, Antarctica...

, U.S. Navy Operation Deepfreeze, 1970 and 1971.