THE D-BLOCK SAGA.

The article delves into the communications failures that compromised emergency response in the U.S. It mentions the failure of public safety communication systems during crises such as the September 11, 2001 terrorist attacks, Hurricane Katrina in 2005 and Hurricane Sandy in 2012, the reliance of public-safety agencies on radio systems that tend to be incompatible with one another and the proposed nationwide cellular network dedicated to public safety use.