T19/M21 81 mm MMC – M3-based mortar motor carriage equipped with the M1 mortar (81 mm) (97 rounds), designed to allow the mortar to be fired from within the vehicle.
The M3A1 Scout Car, also known as the White Scout Car, was an American armored car produced during World War II. It was used in various roles, including patrol, scouting, command vehicle, ambulance, and gun tractor.