It was designed to provide indirect fire support to primarily infantry, units, but could also provide support to any unit under attack within range.

[4] The M106 is a variation of the M113 armored personnel carrier that carried a 107 mm M30 mortar.

It was introduced in 1964, alongside the similar M125 81 mm mortar carrier, and deployed in Vietnam.

[4] After intensive trials in 1988, the US Army chose to replace it with the 120 mm Soltam K6.

[4] Media related to M106 mortar carriers at Wikimedia Commons