''Hydra'' () (sometimes spelled ''Ydra'') was a Greek destroyer of the , which served with the

Hellenic Navy The Hellenic Navy (HN; , abbreviated ΠΝ) is the Navy, naval force of Greece, part of the Hellenic Armed Forces. The modern Greek navy historically hails from the naval forces of various Aegean Islands, which fought in the Greek War of Independ ...

during the early stages of the

Second World War World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

. It was named after the

Saronic Gulf The Saronic Gulf ( Greek: Σαρωνικός κόλπος, ''Saronikós kólpos'') or Gulf of Aegina in Greece is formed between the peninsulas of Attica and Argolis and forms part of the Aegean Sea. It defines the eastern side of the isthmus of C ...

island of Hydra, which played an important role in the

Greek War of Independence The Greek War of Independence, also known as the Greek Revolution or the Greek Revolution of 1821, was a successful war of independence by Greek revolutionaries against the Ottoman Empire between 1821 and 1829. In 1826, the Greeks were assisted ...

, and was the fourth ship to bear this name.

Design and construction

The Greek Navy ordered four destroyers from the Italian shipyard Cantieri Odero in October 1929, with the design similar to contemporary Italian destroyers such as the . The ships were

long between perpendiculars Length between perpendiculars (often abbreviated as p/p, p.p., pp, LPP, LBP or Length BPP) is the length of a ship along the summer load line from the forward surface of the stem, or main bow perpendicular member, to the after surface of the stern ...

, with a

beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Radio beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially lo ...

of and a

draft Draft, the draft, or draught may refer to: Watercraft dimensions * Draft (hull), the distance from waterline to keel of a vessel * Draft (sail), degree of curvature in a sail * Air draft, distance from waterline to the highest point on a v ...

of .

Displacement Displacement may refer to: Physical sciences Mathematics and physics *Displacement (geometry), is the difference between the final and initial position of a point trajectory (for instance, the center of mass of a moving object). The actual path ...

was standard and full load. Three Yarrow Express boilers fed steam to two sets of Parsons geared

steam turbine A steam turbine or steam turbine engine is a machine or heat engine that extracts thermal energy from pressurized steam and uses it to do mechanical work utilising a rotating output shaft. Its modern manifestation was invented by Sir Charles Par ...

s, with the machinery rated at , giving a speed of . of oil was carried, giving a range of at . Armament consisted of four 120 mm (4.7 in) Ansaldo Model 1926 guns in single mounts, with anti aircraft protection provided by three 40 mm guns. Two triple 533 mm (21 inch) torpedo tubes were fitted, while ''Hydra'' was fitted for minelaying, and had rails for 40 mines. The ship had a crew of 156. ''Hydra'' was launched at Odero's

Sestri Ponente Sestri Ponente is an industrial suburb of Genoa in northwest Italy. It is part of the Medio Ponente ''municipio'' of Genoa. Geography It is situated on the Ligurian Sea four miles to the west of the city, between Pegli and Cornigliano. Its po ...

shipyard on October 21, 1931, and was commissioned by the Hellenic Navy in November 1932.

Service

On July 12, 1940, ''Hydra'' went to the aid of the lighthouse tender ''Orion'' which had been attacked by Italian aircraft, and was itself attacked by the Italian aircraft, but was unharmed. After the outbreak of the

Greco-Italian War The Greco-Italian War (), also called the Italo-Greek War, Italian campaign in Greece, Italian invasion of Greece, and War of '40 in Greece, took place between Italy and Greece from 28 October 1940 to 23 April 1941. This conflict began the Balk ...

, she participated in the first naval raid against Italian shipping in the

Strait of Otranto The Strait of Otranto (; ) connects the Adriatic Sea with the Ionian Sea and separates Italy from Albania. Its width between Punta Palascìa, eastern Salento, and Karaburun Peninsula, western Albania, is less than . The strait is named after ...

(November 14–15, 1940). During the

German invasion of Greece The German invasion of Greece or Operation Marita (), were the attacks on Kingdom of Greece, Greece by Kingdom of Italy, Italy and Nazi Germany, Germany during World War II. The Italian invasion in October 1940, which is usually known as the Gr ...

, she was attacked by German bomber aircraft on April 22, 1941, and sunk near the island of Lagousa in the

, together with her commander, Cmdr. Th. Pezopoulos and 41 members of her crew.

References

Citations

* * * *

External links

Account of the sinking of ''Hydra'' by Vice Adm. G. Mezeviris, RHN
{{DEFAULTSORT:Hydra (D97) Kountouriotis-class destroyers Ships built in Italy 1931 ships World War II destroyers of Greece World War II shipwrecks in the Aegean Sea Maritime incidents in April 1941 Destroyers sunk by aircraft Ships sunk by German aircraft Shipwrecks of Greece