 Complete the following phrase:  On 19 December 1949 he was promoted to the acting rank of Commander. He was selected to attend the Joint Services Staff College at Latimer, Buckinghamshire. After the six-month course, he was appointed Deputy Naval Advisor to the High Commissioner of India to the United Kingdom V. K. Krishna Menon at India House, London. During this stint, he underwent a two-month attachment with the Town-class cruiser . In 1951, Krish returned to India was appointed Commander of the 31st Minesweeping Squadron. After a short stint, he was given command of the training ship . Lieutet Commander S. H. Sarma was his executive officer. In 1952, to commemorate the 