In this photo issued by Britain's Ministry of Defence (MoD), showing two members of the Military Police who are amongst the UK Armed Forces who are working to evacuate entitled personnel from Afghanistan's Kabul airport, Monday Aug. 23, 2021. Defence Secretary Ben Wallace has said the Kabul evacuation effort is "down to hours now, not weeks" as he conceded Britain's involvement will end when the US leaves Afghanistan. (LPhot Ben Shread/MoD via AP)