Poor interagency coordination and a lack of U.S. staff on the ground meant advanced weaponry was not accurately monitored in Defense Department databases.
Fired Pentagon assistant inspector general John Crane is going public with allegations senior officials retaliated against whistleblowers, destroyed permanent records and altered audits under political pressure.
The Taliban now controls more territory than at any time since 2001, the inspector general noted in just one of many downward trends for a country now in its 15th year of fighting.
Twenty percent of a special task force's budget went to things like queen-sized beds and private security guards rather than far cheaper stays on a military base, a new report alleges.