Complex sentence: A January 2014 report by J. Michael Gilmore said that new software delays could delay Block 2B release by 13 months; this was reduced to 4 months in the DOTE report from November 2014.
Split into simpler sentences: A January 2014 report by J. Michael Gilmore said that new software delays could delay Block 2B release by 13 months. This estimate was reduced to 4 months in the DOTE report from November 2014.