fixed-thrust boost engine
51performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …
52spaceflight — /spays fluyt /, n. the flying of manned or unmanned spacecraft into or in outer space. Also, space flight. [1945 50; SPACE + FLIGHT1] * * * Introduction flight beyond Earth s atmosphere. This article deals with the basic concepts associated with …
53Chengdu J-20 — J 20 Artist s impression of the Chengdu J 20 Role Stealth air superiority fighter/ …
54McDonnell Douglas AV-8B Harrier II — This article is about the American Harrier II models. For the British Harrier II models, see British Aerospace Harrier II. For the first generation Harrier, see Hawker Siddeley Harrier. AV 8B Harrier II EAV 8B Matador II …
55Apollo Moon Landing hoax conspiracy theories — are claims that some or all elements of the Apollo Moon landings were faked by NASA and possibly members of other involved organizations. Some groups and individuals have advanced various theories which tend, to varying degrees, to include the… …
56Collins class submarine — HMAS Rankin, sixth submarine of the Collins class, underway in 2006 Class overview Builders: Australian Submarine Corporatio …
57Redstone (rocket) — Infobox Weapon name= SSM A14/M8/PGM 11 Redstone caption= Redstone number CC 56, Cape Canaveral, Florida, September 17, 1958 origin= United States type= Surface to surface missile is ranged= yes is artillery= yes is missile= yes is vehicle= yes… …
58Panavia Tornado ADV — infobox Aircraft name = Tornado ADV type = Interceptor manufacturer = British Aerospace caption = RAF Tornado F3 designer = first flight = 27 October avyear|1979 introduced = 1 May avyear|1985 retired = primary user = Royal Air Force more users …
59Moon landing conspiracy theories — Astronauts Buzz Aldrin and Neil Armstrong in NASA s training mockup …
60space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
