74 | New Homeland Security Terror Scale Alert System on 74-Year Anniversary of Pearl Harbor

This announcement comes on the 74-year anniversary of the attack of Pearl Harbor, which took place December 7, 1941.  Notice below that the article mentions the 'terror color scale' from in the time after September 11, 2001.  This "new system" will be a modification of what has already been in place.

http://www.cnn.com/2015/12/07/politics/jeh-johnson-homeland-security-terror-alert-system/index.html