I am 79 years old and have been building models since 1955. I was in the USMC (Infantry & Tanks) for 12 years. With 3rd Tanks in Vietnam 1966-1968 I am the webmaster for a few web sites listed below, I have written a book “Iron Horse Marine” available as a Kindle book on Amazon.
http://mcvthf.org/MCVTHF.htm