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49th Test And Evaluation Squadron
The 49th Test and Evaluation Squadron is an active United States Air Force unit. Its current assignment is with the 53d Wing, based at Barksdale Air Force Base, Louisiana. The 49th Test and Evaluation Squadron is an Air Combat Command (ACC) unit tasked to support and conduct operational testing for the B-52. The Squadron is responsible for the conduct of the entirety of B-52 operational test programs. Additionally, the squadron also conducts the Nuclear Weapon System Evaluation Program of the Air Launched Cruise Missile (ALCM). To accomplish its mission, the squadron employs two assigned operational aircraft for operational test via Air Force Global Strike Command. History World War I 49th Aero Squadron Formed at Kelly Field No. 1, San Antonio, Texas on 6 August 1917. During its initial indoctrination training at Kelly Field, many squadron members were reassigned to other squadrons, however on 25 August, personnel from the 68th Aero Squadron were assigned to the 49th. Afte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Air Combat Command
Air Combat Command (ACC) is one of nine Major Commands (MAJCOMs) in the United States Air Force, reporting to Headquarters, United States Air Force (HAF) at the Pentagon. It is the primary provider of air combat forces for the Air Force, and it is the direct successor to Tactical Air Command. Air Combat Command is headquartered at Langley Air Force Base, Joint Base Langley–Eustis, Virginia, United States. ACC directly operates 1,110 fighter, attack, reconnaissance, combat search and rescue, airborne command and control and electronic aircraft along with command, control, computing, communications and intelligence (C4I) systems, Air Force ground forces, conducts global information operations, and controls Air Force Intelligence. Air Combat Command consists of approximately 74,240 active duty Airmen and 10,610 Department of the Air Force Civilians. When mobilized, more than 49,000 additional Airmen of the Air Force Reserve and the Air National Guard, along with over ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spad XIII
The SPAD S.XIII is a French biplane fighter aircraft of the First World War, developed by ''Société Pour L'Aviation et ses Dérivés'' (SPAD) from the earlier and highly successful SPAD S.VII. During early 1917, the French designer Louis Béchereau, spurred by the approaching obsolescence of the S.VII, decided to develop two new fighter aircraft, the S.XII and the S.XIII, both using a powerful new geared version of the successful Hispano-Suiza 8A engine. The cannon armament of the S.XII was unpopular with most pilots, but the S.XIII proved to be one of the most capable fighters of the war, as well as one of the most-produced, with 8,472 built and orders for around 10,000 more cancelled at the Armistice.Sharpe 2000, p. 272. By the end of the First World War, the S.XIII had equipped virtually every fighter squadron of the ''Aéronautique Militaire''. In addition, the United States Army Air Service also procured the type in bulk during the conflict, and some replaced or supplem ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1939 Chillán Earthquake
The 1939 Chillán earthquake occurred in south-central Chile on 24 January with a surface wave magnitude of 8.3 and a maximum Mercalli intensity of X (''Extreme''). With a death toll of around 28,000, compared to the 2,231–6,000 (official estimates vary greatly) (Exact data location missing from URL) of the Great Chilean earthquake of 1960, it is the single deadliest earthquake in Chile. Earthquake At 23:32, the earth began to shake strongly underneath Chillán, destroying more than half of it, including around 3,500 homes and the recently constructed Casa Rabié which then was in the city. Aftershocks followed although they were less intense, which left the city completely destroyed. Until then, the Cathedral of Chillán had been one of the principal buildings of the area, but it was completely destroyed. The church that was built to replace it was designed specifically to withstand future earthquakes. At 23:35, Concepción was violently hit. Almost all of the buildings (aro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boeing B-17 Flying Fortress
The Boeing B-17 Flying Fortress is a four-engined heavy bomber developed in the 1930s for the United States Army Air Corps (USAAC). Relatively fast and high-flying for a bomber of its era, the B-17 was used primarily in the European Theater of Operations and dropped more bombs than any other aircraft during World War II. It is the third-most produced bomber of all time, behind the four-engined Consolidated B-24 Liberator and the multirole, twin-engined Junkers Ju 88. It was also employed as a transport, antisubmarine aircraft, drone controller, and search-and-rescue aircraft. In a USAAC competition, Boeing's prototype Model 299/XB-17 outperformed two other entries but crashed, losing the initial 200-bomber contract to the Douglas B-18 Bolo. Still, the Air Corps ordered 13 more B-17s for further evaluation, then introduced it into service in 1938. The B-17 evolved through numerous design advances but from its inception, the USAAC (later, the USAAF) promoted the aircraft a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boeing YB-9
The Boeing YB-9 was the first all-metal monoplane bomber aircraft designed for the United States Army Air Corps. The YB-9 was an enlarged alteration of Boeing's Model 200 Monomail commercial transport. Design and development In May 1930, Boeing had flown its Model 200 Monomail single-engined mailplane. The Monomail was of radical design for the time, being a semi-monocoque, stressed skin cantilever monoplane with a retractable undercarriage. Air Corps bomber squadrons of the day were largely equipped with slow strut-braced biplanes built from steel-tube frames covered in doped fabric, such as the Keystone B-6, and Boeing decided to design and build a twin-engined bomber using the same techniques used in the Monomail to re-equip the Air Corps.Pelletier 2002, p. 44.Swanborough and Bowers 1963, p. 72. Using its own money, Boeing decided to build two prototypes of its new bomber design as a private venture. The two aircraft differed only in the engines used, with the Model 214 t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ellington Field
Ellington Field Joint Reserve Base is a joint installation shared by various active component and reserve component military units, as well as aircraft flight operations of the National Aeronautics and Space Administration (NASA) under the aegis of the nearby Johnson Space Center. The host wing for the installation is the Texas Air National Guard's 147th Attack Wing (147 ATKW). Opened in 1917, Ellington Field was one of thirty-two Air Service training camps established after the United States entry into World War I. It is named for First Lieutenant Eric Ellington, a U.S. Army aviator who was killed in a plane crash in San Diego, California in 1913. Overview The United States Air Force's 147th Attack Wing (147 ATKW) is an Air National Guard (ANG) unit operationally-gained by the Air Combat Command (ACC). The 147 ATKW provides a 24/7 capability with MQ-9 Reaper Unmanned Aerial Systems. In its conduct of combat support sorties, the 147 ATKW provides theater and national-level l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rhineland
The Rhineland (german: Rheinland; french: Rhénanie; nl, Rijnland; ksh, Rhingland; Latinised name: ''Rhenania'') is a loosely defined area of Western Germany along the Rhine, chiefly its middle section. Term Historically, the Rhinelands refers (physically speaking) to a loosely defined region embracing the land on the banks of the Rhine in Central Europe, which were settled by Ripuarian and Salian Franks and became part of Frankish Austrasia. In the High Middle Ages, numerous Imperial States along the river emerged from the former stem duchy of Lotharingia, without developing any common political or cultural identity. A "Rhineland" conceptualization can be traced to the period of the Holy Roman Empire from the sixteenth until the eighteenth centuries when the Empire's Imperial Estates (territories) were grouped into regional districts in charge of defence and judicial execution, known as Imperial Circles. Three of the ten circles through which the Rhine flowed referr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1918 Armistice With Germany
The Armistice of 11 November 1918 was the armistice signed at Le Francport near Compiègne that ended fighting on land, sea, and air in World War I between the Entente and their last remaining opponent, Germany. Previous armistices had been agreed with Bulgaria, the Ottoman Empire and Austria-Hungary. It was concluded after the German government sent a message to American president Woodrow Wilson to negotiate terms on the basis of a recent speech of his and the earlier declared "Fourteen Points", which later became the basis of the German surrender at the Paris Peace Conference, which took place the following year. Also known as the Armistice of Compiègne (french: Armistice de Compiègne, german: Waffenstillstand von Compiègne) from the place where it was officially signed at 5:45 a.m. by the Allied Supreme Commander, French Marshal Ferdinand Foch, it came into force at 11:00 a.m. Central European Time (CET) on 11 November 1918 and marked a vi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1st Day Bombardment Group
First or 1st is the ordinal form of the number one (#1). First or 1st may also refer to: *World record, specifically the first instance of a particular achievement Arts and media Music * 1$T, American rapper, singer-songwriter, DJ, and record producer Albums * ''1st'' (album), a 1983 album by Streets * ''1st'' (Rasmus EP), a 1995 EP by The Rasmus, frequently identified as a single * '' 1ST'', a 2021 album by SixTones * ''First'' (Baroness EP), an EP by Baroness * ''First'' (Ferlyn G EP), an EP by Ferlyn G * ''First'' (David Gates album), an album by David Gates * ''First'' (O'Bryan album), an album by O'Bryan * ''First'' (Raymond Lam album), an album by Raymond Lam * ''First'', an album by Denise Ho Songs * "First" (Cold War Kids song), a song by Cold War Kids * "First" (Lindsay Lohan song), a song by Lindsay Lohan * "First", a song by Everglow from ''Last Melody'' * "First", a song by Lauren Daigle * "First", a song by Niki & Gabi * "First", a song by Jonas Brot ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Expeditionary Forces
The American Expeditionary Forces (A. E. F.) was a formation of the United States Army on the Western Front of World War I. The A. E. F. was established on July 5, 1917, in France under the command of General John J. Pershing. It fought alongside French Army, British Army, Canadian Army, New Zealand Army and Australian Army units against the Imperial German Army. A small number of A. E. F. troops also fought alongside Italian Army units in that same year against the Austro-Hungarian Army. The A. E. F. helped the French Army on the Western Front during the Aisne Offensive (at the Battle of Château-Thierry and Battle of Belleau Wood) in the summer of 1918, and fought its major actions in the Battle of Saint-Mihiel and the Meuse-Argonne Offensive in the latter part of 1918. Formation President Woodrow Wilson initially planned to give command of the A. E. F. to Gen. Frederick Funston, but after Funston's sudden death, Wilson appointed Major General John J. Pershing in Ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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