We received this letter, ostensibly from a former Marine Corps First Sergeant, supposedly his second-hand assessment of weapons and enemy tactics in Iraq. This letter has subsequently been largely discredited, so I’m only leaving it up for a couple of days as a teaching tool. I’ve added a few notes. Special thanks to to another First Sergeant (1SG White) and to “Doug Carlton” for helping me with those notes. Hello to all my fellow gunners, military buffs, veterans and interested guys. A couple of weekends ago I got to spend time with my son Jordan, who was on his first …