Velella was the name of at least two ships of the Italian Navy and may refer to:
Ten ships of the Royal Navy have borne the name HMS Hardy, most of the later ones have been named for Vice Admiral Sir Thomas Masterman Hardy (1769–1839), captain of HMS Victory during the Battle of Trafalgar:
Sixteen vessels and two shore establishments of the Royal Navy have been named HMS Phoenix, after the legendary phoenix bird.
U-21 may refer to one of the following German submarines:
U-10 may refer to one of the following German submarines:
U-15 may refer to one of the following German submarines:
U-16 may refer to one of the following German submarines:
U-23 may refer to one of the following German submarines:
U-30 may refer to one of the following German submarines:
U-31 may refer to one of the following German submarines:
U-11 may refer to one of the following German submarines:
U-20 may refer to one of the following German submarines:
U-27 may refer to one of the following German submarines:
Several ships of the Argentine Navy have been named ARA Santa Fe after the Santa Fe Province of Argentina:
The Argo-class was a class of two coastal submarines built by Cantieri Riuniti dell'Adriatico in Monfalcone for Portugal but operated by the Royal Italian Navy after Portugal was unable to pay construction costs. The submarines were built in 1936, and both served in the Mediterranean Sea at the start of the Second World War. The boats were transferred to the BETASOM Atlantic submarine base at Bordeaux in 1940, but returned to the Mediterranean in 1941, where both were sunk within a few days of the September 1943 Italian armistice.
Argo was the name of at least two ships of the Italian Navy and may refer to:
Enrico Toti this name has been borne by at least two ships of the Italian Navy and may refer to:
Leonardo da Vinci this name has been borne by at least four ships of the Italian Navy and may refer to:
Medusa was the name of at least two ships of the Italian Navy and may refer to:
Two ships of the French Navy have borne the name Volta:
Velella was one of a pair of submarines ordered by the Portuguese government, but taken over and completed for the Regia Marina during the 1930s.