SUBMARINES by Jonathan Slutherland and Diane Canwell.
This book is about submarines for war like the US's U.S.S. Los Angeles, and Russia's Kursk [K-141] .
I learned a lot. Two of the things i learned are that they are really big, and that people can go on top.
M-ATV's by Denny Von Finn .
This book is about the M-ATV missions and the M-ATV's Weapons and Features.
I learned a lot on this too. one of the things I learned was that M-ATVs have a turret .