I currently have a MS in Physics and a MAT (masters in teaching - physics) and have worked the past two years as a high school physics teacher. However, I am feeling more inclined to move towards a career in engineering, particularly in the aerospace industry (rocket testing and design in particular). If possible, I would like to move directly into the field. This is not because I am uninterested in furthering my education, but am more concerned with how ~6 years in a PhD program would align with my other life goals. I am not ruling it out, though. What do the prospects look like in this field for somebody who has a MS in Physics? Is a PhD program in Aerospace Engineering necessary? Thanks for any input!