UK soldiers use iPad app to train for Afghan operations For the first time, UK troops are using a special app developed for the iPad to learn how to handle a fire mission. That's when artillery is being fired at the enemy from several miles away. In early trials at the Royal School of Artillery in Wiltshire, troops have learned the jargon and procedures more quickly than before, when they were sat listening to lessons from instructors. It's hoped smartphone and tablet technology could be used to speed up training across the army