1 E-1 Cities, Counties, and the State Population Estimates with Annual Percent Change: 2  Press Release.  E-1 Cities, Counties, and the State Population Estimates with Annual Percent Changeâ January 1, 2015 and 2016.
âCommander In Chiefâ is a term commonly used for the president of the United States. But itâs only one of several titles conferred on the nation's chief executive. Commander In Chief refers to the presidentâs duties as head of the U.S. armed forces: the Air Force, Army, Navy and Marines.The U.S. Constitution establishes this power for the president.ut itâs only one of several titles conferred on the nation's chief executive. Commander In Chief refers to the presidentâs duties as head of the U.S. armed forces: the Air Force, Army, Navy and Marines.
For many practical purposes, it is the White House operations boss -- and not the vice president -- who serves as the nation's deputy president. Outgoing Chief of Staff Jack Lew with Obama in March 2012 (Larry Downing/Reuters).ere are key reasons why the chief of staff's role has such potential importance in the modern era. 1  The vast majority of executive-branch decisions require the views of multiple federal departments and agencies. 2  Sharp differences -- which are inevitable -- need to be resolved at the center, in the White House.