Adua

(from the article `African dance`) ...dance into an ecstatic trance in which they are caught and controlled by dance organizers. A more ordered line-and-soloist pattern is used by ...
Found on http://www.britannica.com/eb/a-z/a/21

Adua

The Adua was an Italian Gemma Class coastal submarine of 620 tons displacement launched in 1936. The Adua was powered by diesel engines providing a top speed of 14 knots surfaced and 8.5 knots submerged and could dive to a depth of 50 fathoms. Armaments consisted of one 3.9 inch gun; two 13 mm anti-aircraft guns and six 21 inch torpedo tubes.
Found on http://www.probertencyclopaedia.com/browse/RA.HTM
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