Afghanistan

I cannot understand why we are still in Afghanistan, in fact I cannot remember the reason why we went there in the first place.
So many British lives have been lost in the years since British forces arrived in the country. Maybe arrived no longer fits in with the people of Afghanistan, maybe, just maybe they think we are an occupying force.
We, along with the Americans seem to be throwing money and lives at whatever the problem is. It’s time for a total rethink on the situation. I know that we are ‘planning’ a total withdrawal in a couple of years, once Afghan forces can take over responsibility for ‘security’.
But security of what? The Country from Invasion? Security from the Taliban?
We seem to reequipping and training these new forces, that in my opinion will just disappear once the Americans and British have gone. Because there is no money to made once we leave. Corruption starts at the top and goes all the way to the bottom, with hundreds if not thousands making money from the USA and the UK. Once we start to leave so will the so called country leaders, off to Switzerland, with their secret accounts.
In the meantime lives are being lost for no reason that I can see.
Defo time to go. Now not later.