Used on 0ticonderoga class cg (47); tarawa class lha; whidbey island class lsd; arleigh burke class ddg; forrestal class cv; blue ridge class lcc-19; supply class aoe; an/urc-131(v) high frerquency radio group; aircraft, eagle f-15; nimitz class cvn. 2.000" overall length 0.350" overall width weapon system essential