Interesting that they find no need to take emergency steps for civilians only the military. The article also states it it not common for the military to increase preparedness in this way. How long would it usually take before they release details on why this alert was raised to the public?

[link to cpnagasaki.wordpress.com]

- Police Directorate is aware that the military has taken emergency steps Alfa.Police Directorate would like to emphasize that this is a measure that only includes its own military installations. PST considering the current threat level so that there is no basis for taking action on the civilian side, writes the Directorate of Police in a press release at 20.00 hrs Thursday night.