How to detect gases BW can be spread by... rockets, airplane spraying, area sabotage, unusual munitions, free balloons Blood poison gas first aid but you must protect YOURSELF the enemy will use CBR agents to contaminate Six types of war gas 4 Years Dutch Contingent Unifil 1979-1983 Bekanntmachung, ZG 66 Halifax Garrison Artillery Victorian Artillery Nieuwe uniformmodellen, ca. 1806 Musée Royal de l'Armée, Bruxelles. L'Armée belge, 1914-1918.