NOC4: Addendum

Ironically, I am assembling and including in this fourth book, the bits 'n' pieces that I had to omit way back then for a number of reasons. In the first place, some of the information was still restricted at the time and I did not want to run afoul of my previous employer. But over time some details have become open source material. Secondly, I had to contend with space limitations. With the benefit of hindsight, I will also be addressing events where changes and/or newly available knowled...