“Congratulations to the LGSF Team for a successfully passed PDR1,” said Corinne Boyer, TMT LGSF design team manager and Adaptive Optics Group Leader. “The conceptual design update review was conducted about 10 years ago in Beijing and passing this PDR1 is a great milestone for the TMT LGSF design team. We are thankful to the LGSF technical teams from the project office, and to our colleagues from the Institute of Optics and Electronics in Chengdu, China, for their dedication and commitment, and the outstanding work they have produced.”