The EASE-Grid Sea Ice Age data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has been updated through 31 December 2015.
Data Set DOI: https://doi.org/10.5067/PFSVFZA9Y85G.
Data Announcement
NSIDC DAAC Updates EASE-Grid Sea Ice Age, Version 3
FRIDAY, FEBRUARY 24, 2017