I am incredibly grateful to have been part of the SONDRA laboratory for the past three years. Specializing in RADAR applications, SONDRA has provided me with an environment rich in advanced research, particularly in electromagnetic modelling and radar imaging. These experiences have profoundly shaped my PhD journey, especially in the context of through-the-wall radar imaging. One of the highlights of my time at the laboratory was the opportunity to collaborate internationally. I spent two months at the National University of Singapore in November and December 2023, working on real-time applications and hardware systems closely aligned with my thesis. This invaluable experience enhanced my technical skills and broadened my perspective by engaging with leading experts in the field. Throughout these three years, SONDRA has enabled me to present my work at conferences worldwide, exchanging knowledge with other researchers and staying updated on the latest advancements. It is also a group of colleagues who create a supportive environment where you can always find help, encouragement and great moments. This sense of camaraderie has made the challenges of research much more rewarding.

None of this would have been possible without the laboratory's support, mentorship, and resources. So one more time, thank you SONDRA, for your continuous support and being an essential part of my journey.

I am Steve Tyler, a graduate from Sri Lanka, and currently working on an inverse scattering problem in SAR images as a Ph.D. student at SONDRA/ONERA. I had the good fortune of joining SONDRA which is a well-equipped lab with a vibrant environment and with the abundant presence of brilliant pedagogic and administrative members who are well-integrated with the rest of the radar community. The members in SONDRA are very welcoming and open-minded when it comes to discussions on research and scientific exploration, and hence, you can find thesis and internship projects spanning from theoretical to very applied topics being posted all year round. Because of the affiliation between SONDRA and ONERA, I am able to collaborate closely with the Electromagnetism and Radar department (DEMR) in Palaiseau and get to visit the airborne SAR acquisition unit SETHI in Salon-de-Provence, where I also get to see the exciting drills of Patrouille de France.