Red Ensign. Red flag having Union flag at upper inner canton is the proper ensign of British Merchant Navy.
Red Pole. Of magnet, is that end having same polarity as Earth's south magnetic pole. It is usual to make an arbitrary assumption that lines of magnetic force emerge from this pole. Red Squadron. Former division of a fleet of warships. Occupied the van of the line and flew a red pendant. Was commanded by the admiral. Discontinued 1864.