What kind of training do they have?

When this happens:

http://www.aljazeera.com/video/news/2017/04/taliban-fighters-attack-afghan-army-base-killing-140-170422173341666.html

you really have to wonder if all the $$$$$$$$$$$$$$$$$$ we spend towards the training of the Afghan army is really worth it.

And the training is by whom?

It is by US and Canada.