If you want to kill a Cyborg Commando, with out losing all of your units, there is a very simple way to do it.(You have to be able to build a GDI Firestorm Wall Generator, and Firestorm wall sections.) First fortify your base and build it up until you have the option to build a Firestorm wall, and sections, then build firestorm walls across any sections where an enemy can get into your base. When a Cyborg Commando is over one of the sections turn the Firestorm generator on and Blam! All of your problems are solved.