Sentence:  They found an Army officer who had been a military failure until Bernard Baruch promoted him to General, and who in 1945 should have been able to hope for nothing better than that he could escape a court martial and thus avoid being <WSD>cashiered</WSD>, if he could prove that all the atrocities and all the sabotage of American interests of which he had been guilty in Europe had been carried out over his protest and under categorical orders from the President. 
Meaning of the word marked with <WSD> tags:  To dismiss (someone, especially military personnel) from service.