and we're back with cobus classes had of programs africa security company and former member of executive outcomes talking about his life as a ground for hire on the role of private military companies only modern battlefield so you want convention bands to use of mercenaries while civilian governments use it as a dirty word and yet we see that time and time again where serious come to their rescue i say in sierra leone there for instance against boko haram etc why are private military contractors more effective than un peacekeepers or national armies for that matter. well it kind of comes down to a innovative makes but the strategy and tactics mix with business principles so that's where the p.m.c. has an advantage over an army like we call it that. with a response for example to a client request in the quickest most efficient way possible political considerations not so for much for most in the plenty business principles are he getting paid by the hour then you would make sure that you're as efficient as you can be in the hour so that's first and foremost where the pm sees can be more ef