OMB M-10-06 requires agencies to publish open gov plans. (Objective 3.a) http://xml.gov/stratml/crane/OGD.xml
It also requires agencies to publish in open formats. (Objective 1.b) ANSI/AIIM 21:2009, Strategy Markup Language (StratML) is such a format for strategic plans.
Agencies should publish their open gov plans in StratML format and the Data.gov site should aggregate and facilitate access to them.