*** THIS FILM WAS MADE MY THE US GOVERNMENT AND IS PUBLIC DOMAIN *** The LANCE was a mobile field artillery tactical missile system used to provide both nuclear and non-nuclear general fire support to the Army Corps. Designed to attack key enemy targets beyond the range of cannon artillery and to reinforce the fires of other artillery units, the LANCE replaced the HONEST JOHN system, fielded in 1954, and the SERGEANT system, deployed in 1962. It filled the US Army’s need for a highly mobile, medium-range, fin stabilized, all weather, surface-to-surface missile weapon system. The LANCE’s primary mission targets included enemy missile firing positions, airfields, transportation centers, command and logistic installations, critical terrain features (defiles, bridgeheads, main supply routes, etc.), and large troop concentrations. The missile was incrementally guided by a self-contained system using the Directional Control Automatic Meteorological (DCAM) Compensation concept. The LANCE missile was launched by a high thrust booster that propelled it out to 1500 meters. The boost phase direction was controlled by a gyro commanding secondary injection into the booster. The booster cut off and the variable thrust sustainer, controlled by an accelerometer, provided the exact amount of thrust to equal the missile drag. The result was a predictable trajectory that essentially eliminated errors caused by atmospheric disturbances or changes. The missile was aimed using field artillery …
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