When were modern airplanes invented?

Do blackhawk helicopters have missiles? Are military robots multifunctional? Does SONY give military discount? What is meaning of the C4 bomb? What fluid type mf 135 1964 model? When did the US Postal service first starting using Jeeps? What does the Apache helicopter weigh? What is the french word for armour? What country had the first fighter aircraft? Who can configure the targets for your Blackout Window to include all BUT the following? What were the initials used to identify the amphibious trucks in ww2? What is an C4 bomb? Would you experience red-outs and black-outs in a jet fighter if the cockpit was filled with water and you had an aqualung? What country builds the Airbus engine? How much does a fighter jet mechanic make? What does the rudder do on a helicopter? IEDs may come in many forms and may be camouflaged to blend in to the surrounding environment. True or False (Antiterrorism Scenario Training Page 3)? ABS class notation TCM what does it mean? Dear sir you were retired from army eme core in 28 feb 2007 your army no 14603537x please send you pension after 6 th pay commission deatils on gajanan khondeyahoo incom? Can a helicopter fly high?