Add a small chance for the warhead not to trigger. Chance should be based on the quality of parts made, trigger type, guidance type (Failure to arm warhead), and minuscule random chance.
Chance Ratio
Quality -> 40%
Trigger -> 35%
Guidance -> 20%
Random -> 5%
Add a small chance for the warhead not to trigger. Chance should be based on the quality of parts made, trigger type, guidance type (Failure to arm warhead), and minuscule random chance.
Chance Ratio Quality -> 40% Trigger -> 35% Guidance -> 20% Random -> 5%