Plot hole: How do they maintain communication between the ship at the centre of the earth and the surface? There's no wire, and radio waves can only travel any distance without obstacles, and the earth's crust would be a pretty hefty obstacle...

The Core (2003)
Plot summary
Directed by: Jon Amiel
Starring: Stanley Tucci, Aaron Eckhart, Bruce Greenwood, Richard Jenkins, Hilary Swank, Delroy Lindo, Tchéky Karyo, DJ Qualls
The molten metal core of the earth is slowing down and will eventualy stop, and the magnetic field of the earth, which is driven by the spinning core, is dying as well. This is a very bad thing, since it is the magnetic field of the earth that deflects large ammounts of radiation and radioactive particles from entering our atmosphere. The main characters build and pilot a vessel capable of drilling in to the center of the earth, where they have a plan to dettonate a nuclear device whose shockwave will hopefully jump start the earth's core. Thing's don't go as well as planned, and our heroes have to race against time to find a solution while the military on the surface plans to use "plan B," a plan that is less likely to fix the core, and will also kill our heros in the process.
Dr. Josh Keyes: So what's this about then?
FBI Agent: We don't know. You have higher security clearance than us.
Dr. Josh Keyes: I have security clearance?
FBI Agent: Yes sir, we're just here to take you to your jet.
Dr. Josh Keyes: I have a jet?!
Trivia: If you look closely with time-frame advance during the pigeon scene you will see a fish "flying" into a window instead of a pigeon. (00:08:35)
Question: Why in this film should NASA and the military handle the operation? It is neither related to space nor related to war. Some institute related to geo sciences should handle it.
Answer: They could just hire a bunch of oil rig drillers instead if you want. All they have to do is drill after all.
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Answer: To put it simply: NASA's got all the technology and the people trained to use it, and the military is involved in every government project, not just acts of war. Also, the military has a vast and efficient logistics system making it possible to bring the major pieces of equipment together in the short amount of time available.
Phixius ★