Lt. Cdr. M. S. Kohli led the Indian Navy's first successful expedition to Mount Everest in 1965;[278] the Navy's ensign was again flown atop Everest on 19 May 2004 by a similar expedition. Another Navy team also successfully scaled Everest from the north face, a technically more challenging route.[279] The expedition was led by Cdr Satyabrata Dam of the submarine arm.