a. “Vessels” and components as follows: 1. “Vessels” (surface or underwater) specially designed or modified for military use, regardless of current state of repair or operating condition, and whether or not they contain weapon delivery systems or armour, and components therefor specially designed or modified for military use; 2. Surface “vessels” not specified in ML9.a.1., having any of the following, fixed or integrated into the “vessel”: a. Automatic weapons having a calibre of 12.7 mm or greater specified in ML1, or weapons specified in ML2, ML4, ML12 or ML19, or ‘mountings’ or hard points for weapons having a calibre of 12.7mm or greater; b. Fire control systems specified in ML5; c. Both: 1. ‘CBRN protection’; and 2. ‘Pre-wet or wash down system’ designed for decontamination purposes; or d. Active weapon countermeasure systems specified in ML4.b., ML5.c. or ML11.a. but only where the “vessel” has any of the following: 1. ‘CBRN protection’; 2. Hull and superstructure, specially designed to reduce the radar cross section; 3 Thermal signature reduction devices, (e.g. an exhaust gas cooling system), excluding those specially designed to increase overall power plant efficiency or to reduce the environmental impact; or 4 A degaussing system designed to reduce the magnetic signature of the whole vessel.