It looks like a long road lies ahead in the high-stakes legal battle between Northrop Grumman Corp. and the U.S. Postal Service over a botched automation project worth more than $900 million. In a joint filing last week, lawyers for the two sides laid out their timetable for conducting the legal fact-finding process known as discovery. Their deadline for wrapping it up (and yes, you are reading this right): Jan. 15, 2016. Along the way, each side may conduct up to 50 depositions a piece, and that doesn’t include expert testimony. As Federal Times has previously reported, the Northrop Grumman…