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The Osprey HSY-56A-class gunboat (also known as Machitis-class gunboat) [1] [2] is a class of naval vessel currently in service in the Hellenic Navy. These ships are similar to HSY-55-class gunboat and were also built by Hellenic Shipyards (HSY). They are the most modern patrol vessels of Hellenic Navy.
Ex-USS MSC-304 21 November 1964 Extant in 2010 TCG Saros (M-515) Dorchester Shipbuilding Corp. Dorchester, New Jersey Ex-USS MSC-305 1 May 1965 in service as of 2015 TCG Sığacık (M-516) Peterson Builders Sturgeon Bay, WI Ex-USS MSC-311 1 May 1965 in service as of 2015 scrapped in Aliaga in 2018 TCG Sapanca (M-517)
Santa María class construction data [1] Number Name Builder Laid down Launched Commissioned Status F81 Santa María: Izar, Ferrol, Spain 23 May 1982 24 November 1984 12 October 1986 F82 Victoria: 16 August 1983 23 July 1986 11 November 1987 F83 Numancia: 8 January 1986 30 January 1987 8 November 1988 F84 Reina Sofía: 12 December 1987 19 July 1989
Secretary/Hamilton class United States: 3250 tonnes 2: SLNS Gajabahu (P626) SLNS Vijayabahu (P627) In 2017, the US announced they would transfer one Secretary/Hamilton-class cutter to the SL Navy. [1] The vessel arrived in Sri Lanka 2019 under the pennant number P626. [2] A second Hamilton-class cutter was transferred on 2021 under pennant ...
The João Belo class, also known as Comandante João Belo class, is a class of four frigates of French design, based on the Commandant Rivière class but fitted for tropical service. Ordered by the Portuguese Navy in 1964, the four ships of this class were constructed at the shipyard in Nantes, France between 1965 and 1967. The first ship ...
In Coxeter notation can be represented as [6 *,6], removing two of three mirrors (passing through the hexagon center) in the [6,6] symmetry. The even/odd fundamental domains of this kaleidoscope can be seen in the alternating colorings of the tiling:
The S class is subdivided into four groups of different designs: Group I ( S-1 class, or "Holland" type): 25 boats, S-1 and S-18 to S-41 , built by Bethlehem Steel at Fore River Shipyard in Quincy, Massachusetts and Union Iron Works in San Francisco , California , as subcontractors for the designer, the Electric Boat Company .
Six Sigma (6σ) is a set of techniques and tools for process improvement.It was introduced by American engineer Bill Smith while working at Motorola in 1986. [1] [2]Six Sigma strategies seek to improve manufacturing quality by identifying and removing the causes of defects and minimizing variability in manufacturing and business processes.