| Most air to air have at least two guidance modes, and some more. If one lock is broken, it can switch to an alternate mode such as fire and forget. Anything other than line of sight (RF) and IR modes are classified. There has to be a backup in case of decoy evasion tactics.
__________________  “War is an ugly thing but not the ugliest of things; the decayed and degraded state of moral and patriotic feelings which thinks that nothing is worth war is much worse.” —John Stuart Mill |