more people died in 1972 than during any other year of "the troubles". the perfect gas theory begins to break down at 550 k and is not usable at temperatures greater than 2,000 k. for temperatures greater than 2,000 k, a heat shield designer must use a real gas model. ford, a certified pilot, flew the aircraft himself. on march 9, 2013, she threw a one-hitter against illinois. hell is for heroes covered this song as a b-side to their single "night vision". major cities throughout the united states and in several other countries also had elaborate displays of neon signs. 