A mum is aiming for the skies after returning to the classroom to qualify as an aerospace engineer. The former RAF engineer, who was sent on detachment around the world, has returned to the Tees Valley to continue her education at Hartlepool College of Further Education. Catherine Lollis, 26, who has toured Italy, Gibraltar, Spain and the USA is now studying for an HNC Aerospace Engineering certification with the College after leaving the force to become a parent.