U.S. Defense Secretary Lloyd Austin reviews an honor guard with Indian Defense Minister Rajnath Singh, in New Delhi, India on March 20, 2021. Austin arrived Sunday, in Kabul on his first trip to Afghanistan as Pentagon chief, amid swirling questions about how long American troops will remain in the country.

FILE – In this Saturday, March 20, 2021 file photo, U.S. Defense Secretary Lloyd Austin reviews an honor guard with Indian Defense Minister Rajnath Singh, in New Delhi, India. Austin arrived Sunday, in Kabul on his first trip to Afghanistan as Pentagon chief, amid swirling questions about how long American troops will remain in the country. (AP Photo/Manish Swarup, File)