Given the question: What type of details about charlie clements -lrb- physician -rrb- can be gathered from the following bio? Bio: charlie clements is an american physician and human rights activist . he currently serves as the executive director of the carr center for human rights policy at the john f. kennedy school of government at harvard university . from 2003 to 2010 , dr. clements served as president and ceo of the unitarian universalist service committee , and before that he was the president of physicians for human rights . dr. clements wrote '' witness to war '' , which was published in 1983 and became the subject of a 1985 academy award winning short documentary . this book chronicles his experience as a distinguished graduate of the air force academy who had flown more than 50 missions in the vietnam war . nine months into duty he decided the war was immoral and refused to fly missions in support of the invasion of cambodia . the air force responded by committing him to a psychiatric hospital ; he was subsequently declared to have a 10 % mental disability and discharged . afterwards , clements entered medical school and came to realize that exploitation , poverty , and injustice were often the origin of illness and injury . later , as a newly trained physician , he heard the u.s. was sending military aide to the salvadoran government , a dictatorship whose u.s.-trained death squads had not only murdered and displaced hundreds of salvadoran citizens but had raped and executed four american nuns in the fall of 1980 with only a brief subsequent withdrawal of american aid . fearing a situation similar to what he 'd witnessed in vietnam , he chose to work in the midst of el salvador 's civil war in an area controlled by the salvadoran guerrilla resistance group , fmln . there , the villages he served were bombed , rocketed , or strafed by some of the same aircraft in which he had previously trained . upon arriving back in the u.s. , clements testified in congress and spoke out across the country against the brutality of the u.s. military 's actions in el salvador , led congressional delegations to the region , and raised millions...
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