2012 Event As part of a continued tightening on world sanctions on Iran, a Chinese company that insures ships will stop indemnifying tankers carrying Iranian oil 1987 Event U.S. began escorting re-flagged Kuwaiti tankers in Persian Gulf 1985 Event Explosions destroys 2 tankers off of Gibraltar, 30 die 1978 Event 2 tankers with propane gas explode killing 15 at Waverly, Tennessee 1966 Event B-52/KC-135 tankers crash near Spanish coast at Palomares, 7 die
