Tromp-class cruiser

Tromp in 1936
Class overview
Name:	Tromp class
Builders:	Nederlandsche Scheepsbouw Mij.
Operators:	Royal Netherlands Navy
Built:	1936–1940
In commission:	1938–1969
Completed:	2
General characteristics
Type:	flotilla leader
Displacement:	3,350 long tons (3,404 t) standard
Length:	131.95 m (432 ft 11 in)
Beam:	12.43 m (40 ft 9 in)
Draught:	4.32 m (14 ft 2 in)
Propulsion:	2 Parsons geared steam turbines 4 Yarrow boilers 2 shafts 56,000 shp (41,759 kW)
Speed:	32.5 knots (37.4 mph; 60.2 km/h)
Complement:	380 (Tromp) 420 (Jacob van Heemskerk)
Armament:	Tromp : 6 × 150 mm (5.9 in) guns (3×2) 4 × 75 mm 8 × 40 mm (4×2) 2 × 20 mm 6 × 533 mm (21 in) torpedo tubes (2×3) Jacob van Heemskerk : 10 × 102 mm (4 in) guns (5×2) 8 × 40 mm (4×2) 4 × 20 mm
Aircraft carried:	1 × Fokker C.XIW floatplane (Tromp)

The Tromp class was a class of flotilla leaders of the Royal Netherlands Navy. The hull shape was also known as the Argonaut 600. They were designed as "flotilla leaders" and their intended role was to be the backbone of a squadron of modern destroyers that was planned at the same time (One of wich was finished in the UK and the other in Germany. Two others scrapped). The ships were ordered in 1935; Tromp was launched in 1937, and her sister ship Jacob van Heemskerk in 1939.

At the outbreak of World War II, Tromp was sent to the Dutch East Indies. Jacob van Heemskerk was still being completed in the naval shipyard in Den Helder when the German attack started on 10 May 1940, but she succeeded in escaping to the United Kingdom, where she was completed with a completely different armament set, as an anti-aircraft cruiser. Both ships served in the Far East and survived the war, Tromp to be decommissioned in 1955 and sold for scrap in 1969 and Jacob van Heemskerk to become an artillery instruction ship in 1947, decommissioned in 1969 and sold for scrap in 1970.

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