Jabarkan Pengguna dari Penghancur tank M10

A.The M5 was criticized as being too hastily designed and was rendered obsolete by the Army's request for a turreted tank destroyer. It was cancelled on 30 September 1942.

B.The M9 was also criticized and performed very poorly during trials, breaking a track and later catching fire. It was cancelled on 28 August 1942, when it was realized that there were only 28 M1918 guns available to use for production vehicles.