Glenbrook Tunnel War One. The first was Chlorine gas which was introduced by the Germans at the Second battle of Ypres in April 1915. This was followed by the use of Phosphene Gas, also introduced by the Germans. These attacked victims' respiratory organs causing coughing and choking. The Germans used Mustard Gas, a more advanced gas, for the first time at Riga (or Yperite) in September 1917. It caused both internal and external blistering in its victims. The blistering was often delayed and remained in the ground for weeks afterwards making capture of infected trenches dangerous. Protection against mustard gas was far
Type 726 LCAC Type 726 LCAC Type 726 LCAC (with NATO reporting name Yuyi class) is a class of air-cushioned landing craft used by the People's Liberation Army Navy. Six Yuyi-class LCACs are believed to be in service with the People’s Liberation Army (PLA), with the first one (3320) being seen at the end of 2007. It is thought that the vessels were delivered in two batches, with the first three LCACs reportedly powered by Ukrainian UGT 6000 engines, while the remaining three are believed to use the indigenous QC-70 gas turbines. Up to four Yuyi-class LCACs can be carried in the well