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During World War II, sound ranging was a mature technology and widely used, particularly by the British (in corps level artillery survey regiments) and Germans (in Beobachtungsabteilungen). Development continued and better equipment was introduced, particularly for locating mortars.
The 285th Field Artillery Observation Battalion was a United States Army unit that saw action in the Battle of the Bulge in World War II. Their main mission was to identify the location of enemy artillery using the "sound and flash" technique (sound ranging and flash spotting). [1]
In 1942, the US Navy decided to commission a special helmet for sailors posted on decks and tasked with transmitting orders by sound-powered telephone.The new helmet was to protect "exposed deck personnel" and accommodate a telephone headset; furthermore, it had to be usable while wearing a gas mask and binoculars.
PASGT-style helmet with four-point retention strap system and velcro-attached head pad system. Also used by NZDF since the 2000s. LShZ 1+ Russia 2012 Russian Special Forces, FSB, Syrian Army: M02 Composite Helmet: Finland: Finnish Defence Forces: Upgraded PASGT-style helmet, replacing the Gefechtshelm M92-style M/92 Komposiittikypärä helmet.
The M1 helmet is a combat helmet that was used by the U.S. military from World War II until 1985, when it was succeeded by the PASGT helmet.The M1 helmet has become an icon of the US military, with its design inspiring other militaries around the world.
Helmet Steel Airborne Troop; Jeep cap; Kepi; M1 helmet; M1C helmet; M2 helmet; M38 Tanker helmet; Mk III helmet; Papakhi; Patrol cap; Peaked cap; Pith helmet; RAC helmet; Rogatywka; Sailor cap; Slouch hat; Soviet helmets during World War II; Stahlhelm (Used by the National Revolutionary Army) Tam o' Shanter; Tent cap; Turban; Type B Helmet ...
Rocket artillery T34 Calliope: 114 mm/183 mm 4.5 in/7.2 in Rocket artillery United States: T40 Whizbang: 180 mm (7.2 in) Rocket artillery United States: Field artillery 75 mm gun M2/M3/M6: 75 mm (2.95 in) Field gun United States: Copy of a British weapon QF 2.95-inch mountain gun: 75 mm (2.95 in) Mountain gun United Kingdom: Used in the Philippines
By September 1916, Tucker's new microphones had been supplied to all sound-ranging sections. [6] In 1917, sound-ranging was further developed so that allowances could be made for poor weather conditions, as sudden gusts of wind could cool the wire: the most effective method found was to wrap the devices in several layers of camouflage netting. [8]