ONLY the Army knows why it is so determined to prosecute six of its own officers in Viet Nam for executing an alleged double agent named Thai Khac Chuyen. Whatever the reasons, the murder trials of the Green Beret officers that are supposed to begin later this month could turn into the most sensational courts-martial in U.S. history. The result may be the severest test to date of the judicial system that has governed the military for almost 20 years—the Uniform Code of Military Justice (U.C.M.J.).
The code has been tested in the highest civilian and military courts this year by dissenting...