the research of dr scott snook a retired lieutenant colonel at the harvard business school highlights the difficulties in determining both the cause of and criminal culpability in friendly fire incidents so friendly fire have a perverse relationship with friendly fire paratrooper and eighty second airborne division i was a victim of friendly fire in operation urgent fury and grenada and so for years this was ninety three i've had a perverse sense of curiosity how could sometimes some of the best trained best equipped people in the world sometimes fall short of the mark in his book friendly fire dr snoeck investigates an encounter in a no fly zone in which two u.s. f. fifteen fighters shot down to u.s. army black hawk helicopters instantly killing twenty six u.n. peacekeepers this happened in one thousand nine hundred four full three years after the end of the first gulf war it was not a shooting war going around there's not a lot of bad guys running around on the ground or in a lot of enemy planes flying around near broad daylight unlimited visibility relatively benign conditions it's