Board Thread:General Discussion/@comment-10732131-20150820210338/@comment-2094030-20150821015319

Are you sure it was your SP weapon and not the other way around? MiG-21bis in Ace Combat 5 has unguided Rocket Launcher as SP weapon. It doesn't lock onto anything. If you cannot lock onto the enemy, most likely you forgot to switch back to regular missiles after using RCL.