The United States said that the withdrawal of the States from the Bagram airbase in Afghanistan did not matter for the evacuation 
military from Afghanistan's largest air base Bagram before the completion of the withdrawal of troops and said that it was not of great importance for the evacuation. US Chief Inspector General Sean W. O'Donnell announced this in his report on Operation Liberty Sentinel.
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The report indicates that to keep Bagram, the American administration would need to endanger about 5,000 troops. “It would have done little to fulfill the mission entrusted to us, namely, to protect the embassy, which was about 30 miles from us,” the report says.
According to the statement of the head of the Pentagon Lloyd Austin, the continuation of holding the airbase exceeded the capabilities of the American army, taking into account the need to protect the American mission. “So we had to give up one or the other, and a decision was made,” he said.
The head of US Central Command, General Frank Mackenzie, echoed this sentiment, saying that it would be impossible from a military point of view to act and defend both the embassy and Bagram, with the number of troops in Afghanistan in July. “The Bagram option went away when we were ordered to reduce our presence to 650 people in Kabul,” he said.
military was an attempt to create an army on the American model. According to the report, the United States used “overly American models” in Afghanistan that were not tailored to the specific needs of the Afghan military.
The US military left Afghanistan's largest air base, Bagram, overnight without notifying its new commander. Before the Afghan army could take control of the airfield, which is about an hour's drive from Kabul, it was infiltrated by marauders and looted barracks and warehouses.