Status of the NASA Micro Pulse Lidar Network (MPLNET): overview of the network and future plans, new version 3 data products, and the polarized MPLEllsworth J. Welton, Sebastian A. Stewart, Jasper R. Lewis, Larry R. Belcher, James R. Campbell and Simone LolliEPJ Web Conf., 176 (2018) 09003DOI: https://doi.org/10.1051/epjconf/201817609003