The Australian government, belatedly realising the visual acuity of young people was much sharper than their elderly presbyopic citizens, wisely decided to exploit this situation in the war zone. Consequently, at one parade the headmaster announced that an aircraft identification class would be conducted at night at the post office for the town children, whilst instructive posters would be placed at school for those living on a farm who could not attend. The object of this instruction was to study the outline of enemy and allied aircraft on a carefully scaled large chart which delineated their appearance both in profile…