for the real responsibility of a collapse. we need to explore both military and interagency decisionmaking processes to understand why we were unrealistic in how to correct that going forward. but the most important part of the question is why military we have trained for 20 years at a cost of $800 billion-plus collapsed so quickly. i can think of three reasons. after i say them i would like each of you beginning with general mckenzie to address the question. we can do that after lunch. our training was insufficient and did not prepare the afghan military to dechd the country on their own. that should have been our goal but we failed to accomplish it. if so, how must we change our thinking for training foreign militaries? second, the lightning collapse may not prove that they were fighters but demoralized. did they lack confidence in their own political and military leaders? were they demoralized by a 2020 peace agreement between the u.s.