WAdamsite
WM1 mortar
WM2 4.2-inch mortar
WM2 mortar
WM10 smoke tank
WM23 chemical mine
WM34 cluster bomb
WM43 BZ cluster bomb
WM44 generator cluster
WM55 (rocket)
WM134 bomblet
WM139 bomblet
WM687
WMC-1 bomb
WSarin
WUSNS Schuyler Otis Bland (T-AK-277)
WM3 Stuart
WChemical Corps
WUnited States herbicidal warfare research
WVX (nerve agent)
WWeteye bomb