Essays / Why do I want to study Aerospace engineering? - SOP required - what to write? [4]

Duke Application about 'why engineering' - how to cut into the topic?

If you are applying to the Pratt School of Engineering as a first year applicant, please discuss why you want to study engineering and why you would like to study at Duke. (Please limit your response to no more than 150 words.)

For this essay... I have no idea how to cut into the topic...