Just Cause 2 | Challenge: Harbormaster

The Harbormaster challenge in Just Cause 2. More information can be found in the walkthrough below.

Just Cause 2 Walkthrough: https://www.trueachievements.com/game/Just-Cause-2/walkthrough
Story Missions (Hardcore): https://www.youtube.com/playlist?list=PLqqfz6S7EUE_X8q3F-KXDH9pX97TUJ1b4
Stronghold Takeovers: https://www.youtube.com/playlist?list=PLqqfz6S7EUE-CusERwyloMRGTG3yLIWR4
Reapers Faction Missions: https://www.youtube.com/playlist?list=PLqqfz6S7EUE-Hs9hro_XBL864tDz65sO3
Roaches Faction Missions: https://www.youtube.com/playlist?list=PLqqfz6S7EUE_kJpAjxz_Z7j1C-0PPwHom
Ular Boys Faction Missions: https://www.youtube.com/playlist?list=PLqqfz6S7EUE-c3xzELYXG1E5RDSJycx3u
Challenges: https://www.youtube.com/playlist?list=PLqqfz6S7EUE_xovUHh_HjaGKF9n0PTaKj
Misc Achievements/Trophies: https://www.youtube.com/playlist?list=PLqqfz6S7EUE8JDsv5FbKn05m7w990JxLE