Washington, July 4 -- Four years after the controversial withdrawal of US forces from Afghanistan, the Pentagon has launched a new review of the two-decade-long war in the country.

The aim of this review is to extract key lessons from the wars in Afghanistan and Vietnam to avoid repeating past mistakes, TOLO News reported.

Sean Parnell, spokesperson for the US Department of Defense, confirmed that a special investigative team will officially begin work in July to examine the consequences of America's 20-year military presence in Afghanistan.

The Pentagon spokesperson stated, "So, the question that I have here and that the department has, is what happened? Like, how do we as a department make sure that something like in Vietnam, and som...