Myungje Choi, University of Maryland, Baltimore County, United States; Alexei Lyapustin, NASA Goddard Space Flight Center, United States; Gregory Schuster, NASA Langley Research Center, Hampton, United States; Sujung Go, Yujie Wang, University of Maryland, Baltimore County, United States; Ralph Kahn, NASA Goddard Space Flight Center, United States; Jeffrey Reid, Edward Hyer, US Naval Research Laboratory, United States; Mian Chin, NASA Goddard Space Flight Center, United States; Olga Kalashnikova, Jet Propulsion Laboratory, United States; Oleg Dubovik, Université de Lille-1, France; Jhoon Kim, Yonsei University, South Korea; Brent Holben, NASA Goddard Space Flight Center, United States