THERE HAVE BEEN SVSRAL OPERATIONS THERE. 1S1CK, 1S0XV 1990, 9M0S 1993, AND 9M0S 2016. REMEMBER THE GERMAN EXPEDITION THAT THS VEITNAMESE SHOT UP AND KILLED SEVERAL OPERATORS. IT HAS BEEN A DANGEROUS PLACE TO TRY AND OPERATE. GARY - WQ5R