Built as a nuclear submarine under yard no 147 by Electric Boat Co, Groton for the USA Navy.
18 July 1955 ordered.
21 July 1955 laid down.
16 May 1957 launched as the USS SKATE (SSN-578)
Displacement 2,590 ton surfaced, 2,894 ton submerged, dim. 81.56 x 7.6 m,
Powered by S3W nuclear reactor, geared steam turbines, two shafts, 6,600 shp (4,900 kW)., twin shafts, speed 15.5 knots surfaced, 18 knots submerged.
Armament: 8 – 21 inch torpedo tubes, 6 forward and 2 aft.
Crew 84.
23 December 1957 commissioned.

USS SKATE (SSN-578), the third submarine of the United States Navy named for the SKATE, a type of ray, was the lead ship of the Skate class of nuclear submarines. She was the third nuclear submarine commissioned, the first to make a completely submerged trans-Atlantic crossing, and the second submarine to reach the North Pole and the first to surface there.

The contract to build her was awarded to the Electric Boat division of General Dynamics on 18 July 1955, and her keel was laid in Groton, Connecticut on 21 July 1955. She was launched on 16 May 1957 sponsored by Mrs. Lewis L. Strauss, and commissioned on 23 December 1957 with Commander James F. Calvert in command.

Operational history
SKATE conducted shakedown training out of New London, Connecticut until 29 January 1958, when she cruised to the Bermuda operating area, then returned to her home port on 8 February. Sixteen days later, the nuclear powered submarine set a course for the Isle of Portland, England. Before returning home, she had also visited ports in France and the Netherlands.
On 30 July, SKATE sought the Arctic where she operated under the ice for 10 days. During this time, she surfaced nine times through the ice, navigated over 2,400 miles (3,900 km) under it, and on 11 August, 9:47 pm EDT (the week after USS NAUTILUS ) became the second sea ship to reach the North Pole. SKATE was unable to surface precisely at the Pole on the August voyage due to dangerous ice conditions as noted in the captain's 1960 book, Surface at the Pole: The Extraordinary Voyages of the USS SKATE, where Calvert said, "Seldom had the ice seemed so heavy and so thick as it did in the immediate vicinity of the pole. For days we had searched in vain for a suitable opening to surface in." The closest was to make radio contact at the surface from a polynya around 30 nm away, but not to surface fully owing to the risk of damage from ice. SKATE did manage to surface and make contact with Drifting Ice Station Alpha at 85ºN, 300 nm away.
After being denied access to visit Copenhagen in Denmark, she sailed into Bergen, Norway on 23 August. There she was inspected by king Olav V of Norway, US ambassador Frances E. Willis and minister of defence Nils Handal. The submarine made port calls in the Netherlands, Belgium, and France before returning to New London on 25 September 1958. In recognition of the dangerous and historic feat, the SKATE and its crew was given the Navy Unit Commendation award for "... braving the hazards of the polar ice pack...."
While the SKATE was unable to surface on its first voyage to the pole, on 17 March 1959, she became the first submarine to surface at the North Pole with Calvert describing the historic moment in his book, saying, "Slowly we blew the tanks and the SKATE moved reluctantly upward. It was apparent we were under heavier ice here than any we had experienced before." While at the pole, Calvert and the crew planted an American Flag in a cairn they built out of ice blocks and put a waterproof container in the cairn with a note commemorating the event. The crew also held a ceremony for the late Arctic explorer Sir Hubert Wilkins and committed his ashes at the pole. In 1931, Sir Hubert had conducted an Arctic expedition in the disarmed research submarine NAUTILUS (ex-USS O-12). After reaching the Pole, the SKATE continued its mission to pioneer arctic operations during periods of extreme cold and maximum ice thickness. When the submarine returned to port, she was awarded a bronze star in lieu of a second Navy Unit Commendation for demonstrating "... for the first time the ability of submarines to operate in and under the Arctic ice in the dead of winter...." In the fall of 1959 and in 1960, SKATE participated in exercises designed to strengthen American antisubmarine defenses.

SKATE returned to General Dynamics in January 1961 for a regular overhaul and to have her reactor refueled for the first time. She put to sea in August and, for the next 11 months, conducted exercises to increase the operational readiness of her crew.
On 7 July 1962, SKATE again set course towards the North Pole. Five days later, USS SEADRAGON , did likewise from Pearl Harbor. The two submarines made their rendezvous on 31 July. After meeting, they operated together for over a week. Both submarines surfaced at the North Pole on 2 August and official greetings and insignia of Submarine Force Atlantic Fleet and Submarine Force Pacific Fleet were exchanged.
SKATE returned to New London and performed fleet and local operations for the next several years. She entered the Norfolk Naval Shipyard on 28 April 1965, the first nuclear submarine overhauled there, for nuclear refueling and installation of the SUBSAFE package. SKATE was the first submarine to finish this major conversion program, which was instituted after the loss of USS THRESHER in 1963. The process was not completed until September 1967.

After sea trials and a shakedown cruise in the Caribbean, the submarine returned to New London and participated in exercises involved in the development of new undersea tactics and equipment.
In October 1968, SKATE was deployed to the Mediterranean where she operated with the Sixth Fleet for two months. The polar veteran operated under the Arctic ice again in March and April 1969, in October 1970, and in February 1971 . The remainder of her at sea time was spent in various Atlantic Fleet and NATO exercises. In July 1971, she began her third regular overhaul at the Norfolk Naval Shipyard and did not return to New London until 17 November 1973. In August 1974, SKATE operated as a unit of the Atlantic Fleet.

In late 1977, SKATE transferred to Pearl Harbor, where she joined the other three SKATE class submarines as a member of Submarine Squadron 7.

SKATE was decommissioned on 12 September 1986, stricken from the Naval Vessel Register on 30 October 1986, and disposed of by submarine recycling at Puget Sound Naval Shipyard on 6 March 1995.

SKATE received two Navy Unit Commendations and three Meritorious Unit Commendations during her career. The first Navy Unit Commendation was for the period 9–12 August 1958 and the second for the period 4 March through 6 April 1959. The Meritorious Unit Commendations were for the periods 24 March through 15 April 1969, 12 October through 18 November 1970 and 26 February through 9 March 1971. (Source – US Navy Unit Awards Webpage.)

Popular culture
SKATE appears in Tom Clancy's 1993 novel Without Remorse.
SKATE appears in the 1961 film, Parrish as the submarine upon which the title character is stationed.
The 1978 disaster film Gray Lady Down features a fictional SKATE-class submarine USS NEPTUNE.
Djibouti 2019 240FD sg?, scott?

DELFIN project 667 BDRM submarine

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DELFIN project 667 BDRM submarine

Postby aukepalmhof » Fri May 10, 2019 9:35 pm

2014 DEL'PHIL Projecr 667 BDRM (2).jpg
Click image to view full size
On the stamp is given DEL’PHIN.

The seven boats were all built on the Severodvinsk Shipyard for the Navy of the Soviet Union.
Commissioned from 1984 till 1990.
Displacement13,500 ton surfaced and 18,200 ton submerged, dim. 166 x 12.3 x 8.8m. (draught)
Powered by two pressurized water-cooled reactors powering two steam turbines with two fixed-pitched shrouded propellers. Speed surfaced, 14 knots, submerged 24 knots.
Armament 16 missiles and 4 - 533mm bow torpedo tubes.
Crew 135.

Seven Delta IV-class submarines were built; all are still in service in the Russian Navy. The submarines, based at the Sayda Guba Naval Base, operate in the Northern Fleet. The Severodvinsk Shipyard built these vessels between 1981 and 1992. The last vessel was K-407 Novomoskovsk.
The design of the Delta IV class resembles that of the Delta III class and constitutes a double-hulled configuration with missile silos housed in the inner hull.
The submarine has an operational diving depth of 320 meters (1,050 ft), with a maximum depth of 400 meters (1,300 ft). The propulsion system allows speeds of 24 knots (44 km/h) submerged using two VM-4 pressure water reactors rated at 180 MW. It features two turbines of type GT3A-365 rated at 27.5 MW. The propulsion system drives two shafts with fixed-pitch propellers.

On 29 December 2011, a shipyard fire broke out in the drydock where a Delta IV-class vessel named YEKATERINBURG was being serviced. It was reported that the fire managed to spread to the submarine, that all weapons were disembarked from the submarine and the nuclear reactor was shut down beforehand

Overall design
The submarine design is similar to that of Delta III class (Project 667 BDR). The submarine constitutes a double-hulled configuration with missile silos housed in the inner hull. The forward horizontal hydroplanes are arranged on the sail. They can rotate to the vertical for breaking through the ice cover. The propulsion system provides a speed of 14 knots (26 km/h; 16 mph) surfaced and 24 knots (44 km/h; 28 mph) submerged. The submarine carries supplies for an endurance of 80 days. The surface of the submarine has an acoustic coating to reduce the acoustic signature. During the development of the 667BDRM SSBN several measures were included to reduce its noise level. The gears and equipment are located on a common base isolated from the pressure hull, and the power compartments are also isolated. The efficiency of the anti-hydroacoustic coatings of the light outer hull and inner pressure hulls have been increased. Newly designed propellers with improved hydroacoustic characteristics are employed.

The Delta IV-class submarines employs the D-9RM launch system and carries 16 R-29RMU Sineva liquid-fueled missiles which each carry four independently targetable reentry vehicles (MIRVs). Unlike previous modifications, the Delta IV-class submarine is able to fire missiles in any direction from a constant course in a circular sector. The underwater firing of the ballistic missiles can be conducted at a depth of 55 meters (180 ft) while cruising at a speed of 6–7 knots (11–13 km/h; 6.9–8.1 mph). All the missiles can be fired in a single salvo.
The 667BDRM Delphin submarines are equipped with the TRV-671 RTM missile-torpedo system that has four torpedo tubes with a calibre of 533 mm (21 in). Unlike the Delta III-class design, it is capable of using all types of torpedoes, antisubmarine torpedo-missiles and anti-hydroacoustic devices. The battle management system Omnibus-BDRM controls all combat activities, processing data and commanding the torpedo and missile-torpedo weapons. The Shlyuz navigation system provides for the improved accuracy of the missiles and is capable of stellar navigation at periscope depths. The navigational system also employs two floating antenna buoys to receive radio-messages, target destination data and satellite navigation signals at great depth. The submarine is also equipped with the Skat-VDRM hydroacoustic system.

The Delta IV-class submarines are strategic nuclear missile submarines designed to carry out strikes on military and industrial installations and naval bases. The submarine carries the RSM-5 Makeyev (NATO reporting name: SS-N-23 Skiff) submarine-launched ballistic missile (SLBM). The RSM-54 is a three-stage liquid-propellant ballistic missile with a range of 8,300 km (5,200 mi). The warhead consists of four to ten multiple, independently targeted re-entry vehicles (MIRVs) each rated at 100 kilotonnes of TNT (420 TJ). The missile uses stellar inertial guidance to provide a circular error probable (CEP) of 500 m (1,600 ft). The CEP value is a measure of the accuracy of strike on the target and is the radius of the circle within which half the strikes will impact.
The submarine is also capable of launching the Novator SS-N-15 Starfish anti-ship missile or anti-ship torpedoes. Starfish is armed with a nuclear warhead and has a range of up to 45 km (28 mi). The submarine has four 533 mm torpedo tubes capable of launching all types of torpedoes, including anti-submarine torpedoes and anti-hydroacoustic devices. The system is fitted with a rapid reloading torpedo system. The submarine can carry up to 12 missiles or torpedoes. All torpedoes are accommodated in the bow section of the hull.
In 2011 K-84 EKATERINBURG successfully tested a new version of the SS-N-23 missile, reportedly designated R-29RMU2 Layner. The missile has improved survivability against anti-ballistic missiles. Later on K-114 TULA conducted another successful launch.

Initially all the Delta IV-class submarines were based with the Russian Northern Fleet at Olenya Bay. All the submarines of this class serve in 12th Squadron (the former 3rd flotilla) of strategic submarines of the Northern Fleet, which now located in Yagelnaya Bay.

2019 Six boats of this class are still in active service. ... DRM_Delfin)_7_boats
Togo 2014 750F sg?, scott?
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Re: DELFIN project 667 BDRM submarine

Postby 1143Minsk » Sun May 26, 2019 5:11 pm

Hello! I'm new to this forum, I hope I don't use it incorrectly.
It's interesting to see that so many ship themed stamps come from African countries, some having even no coastline, like Rwanda; is there a known reason for that? I swear that at least two out of three stamps about warships come from African countries.
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Re: DELFIN project 667 BDRM submarine

Postby john sefton » Tue May 28, 2019 6:23 pm

The reason these stamps are issued is to make money, no other reason. Unfortunately there are so many new issues there is a danger that it will destroy the hobby of stamp collecting.
john sefton
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Re: DELFIN project 667 BDRM submarine

Postby 1143Minsk » Wed May 29, 2019 4:06 pm

Okay, so they just found something cool to slap on the stamps and went with it? I just thought they'd go, like most other countries, with themes related to their countries, be it history, fauna and flora, arts...
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