 Shortly after commissioning on 15 May 1920 Hood became flagship of the Battlecruiser Squadron of the Atlantic Fleet , under the command of Rear Admiral Sir Roger Keyes . She made a cruise to Scandinavian waters that year . She visited the Mediterranean in 1921 and 1922 to show the flag and to train with the Mediterranean Fleet , before sailing on a cruise to Brazil and the West Indies in company with the Battlecruiser Squadron . 
