Anyone looking for context of what it was like as a soldier fighting for the north in the Vietnam war, I highly recommend The Sorrow of War[0].
I read it in college in a Vietnam and the US History class and it was blown away.
This book, along with The Things They Carried[1] are worthwhile reads.
[0] - https://en.m.wikipedia.org/wiki/The_Sorrow_of_War
[1] - https://en.m.wikipedia.org/wiki/The_Things_They_Carried