SMS Derfflinger

SMS Derfflinger.
SMS Derfflinger was a battlecruiser of the German Kaiserliche Marine built in the early 1910s, the lead vessel of the Derfflinger class. The ships were larger than the previous German battlecruisers, and featured significant improvements. Derfflinger served in I Scouting Group during the war and took part in attacks on Scarborough, Hartlepool and Whitby in 1914 and Yarmouth and Lowestoft in 1916, as well as the Battle of Dogger Bank in 1915 and the Battle of Jutland in 1916. At Jutland, Derfflinger helped to sink the British battlecruisers Queen Mary and Invincible, but was seriously damaged herself. Derfflinger saw little activity for the remainder of the war and she was interned with the rest of the High Seas Fleet at Scapa Flow following the armistice in November 1918. Under the orders of Rear Admiral Ludwig von Reuter, the interned ships were scuttled on 21 June 1919. (This article is part of a featured topic: Battlecruisers of the world.)

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K-25

K-25.
K-25 was the Manhattan Project codename for the program that produced enriched uranium for atomic bombs using the gaseous diffusion method at the Clinton Engineer Works in Oak Ridge, Tennessee, in the United States. When the production facility was built in 1944, the four-story gaseous diffusion plant (pictured) was the world's largest building, with over 152,000 square metres (1,640,000 sq ft) of floor space. At the height of construction, over 25,000 workers were employed on the site. Slightly enriched uranium from the S-50 thermal diffusion plant in the form of the highly corrosive uranium hexafluoride was fed into the K-25 gaseous diffusion plant; its product in turn was fed into the Y-12 electromagnetic plant. The enriched uranium was used in the Little Boy atomic bomb used in the atomic bombing of Hiroshima. Production of enriched uranium ended in 1964, gaseous diffusion ceased in 1985, and demolition of the facility was completed in 2017. (This article is part of a featured topic: History of the Manhattan Project.)

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No. 37 Squadron RAAF

No. 37 Squadron RAAF.
No. 37 Squadron is a Royal Australian Air Force (RAAF) medium tactical airlift squadron. It operates Lockheed Martin C-130J Hercules aircraft from RAAF Base Richmond, New South Wales. The squadron has seen active service flying transport aircraft during World War II, the Vietnam War, the wars in Afghanistan and Iraq, and the military intervention against ISIL. It has also supported Australian operations in Somalia, East Timor, Bali, Papua New Guinea, and the Philippines. The squadron was formed at RAAF Station Laverton, Victoria, in July 1943 and became part of No. 86 (Transport) Wing in 1946, but was disbanded two years later. In response to Australia's air transport needs during the Vietnam War, the squadron was re-formed in February 1966, equipped with the C-130E Hercules (pictured). It converted to the C-130J model in 1999. No. 37 Squadron came under the control of a re-formed No. 86 Wing from 1987 until 2010, when it was transferred to No. 84 Wing.

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Roy Inwood

Roy Inwood.
Roy Inwood (14 July 1890 – 23 October 1971) was a World War I Australian soldier and recipient of the Victoria Cross. Landing at Anzac Cove, Gallipoli, in April 1915 with the 10th Battalion of the Australian Imperial Force, he fought until being evacuated sick to Egypt in September. He rejoined his unit on the Western Front before the Battle of Mouquet Farm in August 1916. In 1917 he fought in the Battle of Lagnicourt and the Second Battle of Bullecourt. His Victoria Cross was awarded for actions in the Battle of Menin Road, including eliminating a German machine-gun post. In World War II, he volunteered to serve in the Citizens Military Forces, reaching the rank of warrant officer I serving in the Australian Provost Corps and Military Prison and Detention Barracks Service. After the war he returned to work with the City of Adelaide, and on his death he was buried with full military honours in the AIF Cemetery, West Terrace. His medals are displayed in the Adelaide Town Hall.