This year will see the withdrawal of NATO forces from Afghanistan after 13 years of occupation. But will troops actually depart, and what will they be leaving behind?

The US is pushing for the Afghan government to sign a Bilateral Security Agreement that would allow at least 10,000 US troops – and all drone bases – to stay and give the US the authority, without legal repercussions, to arrest, detain and extradite any Afghan deemed to threaten its security interests.