National Ignition Facility
The National Ignition Facility, or NIF, was a filming location for  used as the set for the warp core of the Enterprise. A facility of the US government, the site's goal at the time was to study the possibility of igniting nuclear fusion. As such, filming in the facility was conducted under tight security. (Star Trek Into Darkness (Blu-ray) deluxe edition special feature - "NIF: Home of the Core")

As a prank, Simon Pegg convinced members of the cast that it was necessary to apply a specialized "neutron cream" while filming at the facility to protect from dangerous radiation. (Star Trek Into Darkness (Blu-ray) deluxe edition special feature - "Safety First")

External link

Filming locations