Five U.S. war planes have trespassed Iranian air space and may have been testing its air defenses, Iran's official news agency said Friday. The five planes entered Iranian air space late Aug. 19 from the southwestern Shalamcheh border and flew over the city of Khorramshahr, the official Islamic republic news agency said, citing reports earlier this week in the Tehran press. The daily Seday-e Edalat reported the fighter jets flew at high speed and altitude, then headed to the Arvand river. They flew at a height of 10 kilometers (more than 30,000 feet) and maneuvered over Khorramshahr for a while....