Air Force Contract Has Windfall Potential Eight government contractors are readying to vie for specific task orders to update the Air Force's communication systems under an umbrella contract worth up to \$9B.&lt;br&gt;&lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2"\ color="#666666"&gt;&lt;B&gt;-The Washington Post&lt;/b&gt;&lt;/font&gt;