Land speed record for rail vehicles. Determination of the fastest rail vehicle in the world varies depending on the definition of rail. The world record for manned passenger trains is held by the L0 Series, having achieved 603 km/h (375 mph) on a 42.8 km magnetic-levitation track in April 2015.
Confidence votes 4. Almost all insects have four wings, but the mosquito is one of only a few types of insects that actually only has two wings. Mosquitoes, Flies, Gnats and all the members of the hymenoptera or bee family only have two wings. However, there are two funny little knobs behind the first set of wings that are probably evolutionary remainders of what used to be a second set of wings.
By November 1918, the French Air Service consisted of 127,630 men and 3,222 aircraft. During the Great War, the airmen of the French Air Service claimed 2,049 enemy aircraft in air combat and destroyed 357 kite balloons for some 3,500 killed in action, 3,000 wounded/missing and 2,000 killed in accidents.