ADATS

ADATS was developed as a combined Air Defense Anti-Tank System, aiming to use one missile system against low-flying aircraft and armored vehicles. The concept attracted interest because forward units needed both short-range air defense and anti-armor capability. Canada adopted ADATS, while the United States evaluated it for forward-area air defense but encountered acquisition and testing concerns.

The system used a turreted launcher and sensor package mounted on an armored vehicle, with missiles intended for both aerial and ground targets. Its dual-role idea made it unusual: the same launcher could theoretically defend against helicopters or engage tanks. The design also made the system complex, because air-defense reaction time, anti-armor penetration, sensors, and command integration all had to work together.

ADATS is remembered as much for acquisition lessons as for its operational role. The US GAO report documented test and performance concerns, while Canada fielded the system before eventual retirement. For HiWars, ADATS is valuable because it shows why elegant multi-role concepts can struggle when cost, testing, doctrine, and reliability meet real procurement decisions.