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Militaries worldwide have used or are using various psychoactive drugs to improve performance of soldiers by suppressing hunger, increasing the ability to sustain effort without food, increasing and lengthening wakefulness and concentration, suppressing fear, reducing empathy, and improving reflexes and memory-recall, amongst other things.
SM U-13 [Note 1] was one of the 329 submarines serving in the Imperial German Navy in World War I. U-13 was engaged in the naval warfare and took part in the First Battle of the Atlantic . She had left Heligoland on 6 August 1914 and was not heard from again.
In the 1910s, U.S. Army soldiers stationed in the Panama Canal Zone and in the Pancho Villa Expedition began using cannabis. [13] [14] Although the drug became illegal to use on bases, the U.S. Army Medical Corps prepared the 1933 report Mariajuana Smoking in Panama for the Panama Canal Department recommending no further restrictions. [15]
Halazone tablets have been used to disinfect water for drinking, especially where treated tap water is not available. A typical dosage is 4 mg/L. [5] [6] Halazone tablets were commonly used during World War II by U.S. soldiers for portable water purification, even being included in accessory packs for C-rations until 1945.
A World War II hexagonal pillbox on the bank of the Mells River at Lullington, Somerset, England A British mini-pillbox in Jerusalem. A pillbox is a type of blockhouse, or concrete dug-in guard-post, often camouflaged, normally equipped with loopholes through which defenders can fire weapons.
Some 13-pounders were slightly modified to become "Ordnance QF 13 pdr Mk III" and mounted on high-angle mounts to produce what became known as the 13-pounder 6 cwt anti-aircraft gun. In 1940, some 13-pounders were brought out of store for use as emergency anti-tank guns, mounted in pill boxes , [ 11 ] for the home defence of Britain against ...
German submarine U-13 was a Type IIB U-boat of Nazi Germany's Kriegsmarine which was commissioned on 30 November 1936, following construction at the Deutsche Werke shipyards at Kiel. The first commander on board was Hans-Gerrit von Stockhausen. In her career she completed nine patrols, all while serving with the 1st U-boat Flotilla. The U-boat ...
SM UB-13 was a German Type UB I submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The submarine was probably sunk by a British mine net in April 1916. UB-13 was ordered in October 1914 and was laid down at the AG Weser shipyard in Bremen in November.