Parnaíba-canhão-40mm-BE-foto-Nunão-Poder-Naval-Forças-de-Defesa
A 40mm will still make mincemeat of a low-flying plane or helicopter as well as ruin a small boat (or ashore guerrilla hangout)
laststandonzombieisland
Weapons, Wars, Preparation and Security from a recovering gun nut turned bad writer