Original sentence: 2- In 1970 the GIS managed to hunt an Israeli Oil Rig while being shipped from Canada to Sinai (occupated at that time), Clandestine GIS agents and frogmen succeeded in tracing the Oil Rig to Abidjan, Cote d 'Ivoire and planted sets of explosives, had them detonated and crippled the rig
Edited sentence: 2- In 1970 the GIS managed to hunt an Israeli Oil Rig while being shipped from Canada to Sinai (occupated at that time).Clandestine GIS agents and frogmen succeeded in tracing the Oil Rig to Abidjan, Cote d 'Ivoire and planted sets of explosives, had them detonated and crippled the rig