ILRS: Current Status and Future Challenges

Michael R Pearlman, Center for Astrophysics, Radio and Geoastronomy Division, Cambridge, MA, United States, Giuseppe Bianco, Agenzia Spaziale Italiana, CGS, Matera, Italy, Stephen Merkowitz, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Carey E Noll, NASA Goddard Space Flight Center, Code 61A, Greenbelt, MD, United States, Erricos C Pavlis, Goddard Earth Sciences Technology and Research, Greenbelt, MD, United States, Victor Shargorodsky, JC"RPC"PSI", Moscow, Russia and Zhang Zhongping, Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai, China