The Pentagon called the timing of the investigation of the airstrike in Kabul

"This analysis should be completed within 45 days," - quoted by TASS.

As noted by the Pentagon spokesman, the most senior officers of the department will be allowed to investigate.

“Level - from three-star generals and above,” added Kirby.

Earlier, US Defense Secretary Lloyd Austin apologized for the erroneous US drone strike on Kabul, which killed ten Afghans, including seven children. 

More on the topic - in the material RT.