Used on aircraft, stratolifter c-135; helicopter observation (ahip), oh-58d; fms-a7 aircraft; cuided missile, intercept; over the horizon back scanner (oth-b) program (an/fps-118); aircraft, tomcat f-14; missile, air-to-air, sparrow (aim-7) submarine acoustic sonar systems; radio an/grc-171b (v)4. weapon system essential axial terminal each end