They shouldn’t have bought from the Acme Missile Company.
US WWII Mk 14 torpedoes were famous for doing that if the gyro was mounted in backwards, which was easily done. Weapons these days have an anticircular attack feature which shuts the weapon down if it steers too far off its set course.
Repentance Missile Company
A number of Russian soldiers have also been badly injured while operating catapults purchased from Acme.