Sorry, this reply is not about HE rounds. It is, though, about Errata. Judging by the relatively high number of view this topic has received, I think many people are interested in fixing their copies, even if the issues may be minor.
If there is a better place for this (I did search both forums) or this has already been covered, apologies!
p. 86, section Called Shots: reference to 'rangefinder' should be 'fire control' to match terminology on the previous page
p. 121, BPM-1 should have a crew of 3+8 (to match description in text above).