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The R-21 (Russian: Р-21; NATO: SS-N-5 'Sark/Serb'; GRAU: 4K55) was a submarine-launched ballistic missile in service with the Soviet Union between 1963...

The Tumansky R-21 was a Soviet turbojet engine of the 1960s. Used for development only, the project was canceled. The Tumansky R-21 was developed at Tushino...

USS R-21 (SS-98) was an R-class coastal and harbor defense submarine of the United States Navy. Her keel was laid down on 19 April 1917 by the Lake Torpedo...

Navy developed what was initially known as the CVN-21 program, which evolved into CVN-78, Gerald R. Ford. Improvements were made through developing technologies...

August 21 is the 233rd day of the year (234th in leap years) in the Gregorian calendar; 132 days remain until the end of the year. 959 – Eraclus becomes...

dose in comparison to R-CHOP. R-Maxi-CHOP is used in mantle cell lymphoma and is given in 21-day intervals, alternating with R-HDAC (rituximab + high-dose...

The IWI Tavor, previously designated as the Tavor TAR-21 (Tavor Assault Rifle – 21st century), is an Israeli bullpup assault rifle chambered in 5.56×45mm...

| g ( r ) | = { G M r R 3 , if  r < R G M r 2 , if  r ≥ R {\displaystyle |\mathbf {g(r)} |={\begin{cases}{\dfrac {GMr}{R^{3}}},&{\text{if }}r<R\\\\{\dfrac...

the Russian R-37 (missile). In 2016, China successfully test fired a very long range air-to-air missile, which was believed to be the PL-21. But it may...

submarines from the R-class forward built by this company would have individual muzzle doors. For the first time in a U.S. submarine class, 21-inch (533 mm)...

audience. R with diacritics: Ŕ ŕ Ɍ ɍ Ř ř Ŗ ŗ Ṙ ṙ Ȑ ȑ Ȓ ȓ Ṛ ṛ Ṝ ṝ Ṟ ṟ Ꞧ ꞧ Ɽ ɽ R̃ r̃ ᵲ ꭨ ᵳ ᶉ International Phonetic Alphabet-specific symbols related to R: 𝼈...

September 2021, in Hyderabad, aged 54. "R.R.Movie Makers Venkat Honored with Doctorate". Supergoodmovies.com. 21 November 2010. Retrieved 20 January 2012...

R21, R-21 or R.21 may refer to: R-21 (missile), a Soviet submarine-launched ballistic missile HMAS Melbourne (R21), an aircraft carrier of the Royal Australian...

Raosaheb Ramrao Patil, better known as R. R. Patil (16 August 1957 – 16 February 2015), was an Indian politician from the state of Maharashtra. He was...

line integral for a detailed definition, The vector r ^ 21 {\displaystyle {\hat {\mathbf {r} }}_{21}} is the unit vector pointing from the differential...

September 21 is the 264th day of the year (265th in leap years) in the Gregorian calendar; 101 days remain until the end of the year. 455 – Emperor Avitus...

Tumansky R-13 is a Soviet turbojet engine designed by Sergei Alekseevich Gavrilov [ru]. The Tumansky R-13 is a development of the successful Tumansky R-11 engine...

Alekseevich Gavrilov. The Tumansky R-25 was designed as a replacement for the Tumansky R-13 in MiG-21 fighters. The R-25 is a two-spool axial-flow turbojet...

region; stalk: Stalk. Antonarakis SE, Lyle R, Dermitzakis ET, Reymond A, Deutsch S (2004). "Chromosome 21 and down syndrome: from genomics to pathophysiology"...

629 (Golf Class) submarines, until its replacement by the R-13 in 1961 (SS-N-4) and the R-21 (SS-N-5) in 1963. During its service, 77 launches were conducted...