On the day of the declaration of the First World War, Rosher (1893-1916) applied for a commission in the Royal Naval Air Force. He progressed rapidly in the craft of flying and soon obtained his aviator's licence. This collection of letters to his family were written between August 1914 and his death at the age of 22 in February 1916, and give an insight into the life of an airman during the first years of WWI when the Air Force was in its infancy.