Model of a 155-mm artillery shell with a direct-flow air jet engine (DFAJ) Written by  Aleksandr Shirokopad ; Originally appeared at  Zvezdaweekly , translated by  AlexD  exclusively for  SouthFront For the first time in history a projectile with an air-jet engine was demonstrated in 1942 For many years now, designers have been working on any creative tricks to increase the firing range of the 152-155-mm guns if only by one kilometre. One of the novelties that caused furor at the international exhibition Eurosatory in June 2018 in Paris was the layout of a 155-mm artillery shell with a direct-flow air-jet (DFAJ) engine, presented by the Norwegian-Finnish company Nammo. The new DFAJ projectile can easily overcome both the 120 and even the 150-kilometre barrier. With it, the conventional 155-mm howitzer can solve tasks that are feasible for tactical missiles corps and even front-line command. Historical background Novelty? Here I remember the comical situation of 50s and 60