https://viterbischool.usc.edu/news/2019/04/dan-erwin-appointed-new-chair-for-usc-viterbi-department-of-astronautical-engineering/34157105371_d801ccb98e_o/
34157105371_d801ccb98e_o - USC Viterbi | School of Engineering
Apr 19, 2019 - Dan Erwin. PHOTO/WILL TAYLOR
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