Members of the U.S. military, foreign service, and intelligence communities have an extra year to claim the homebuyer tax credit. As long as the qualified service member has been on extended duty outside of the United States for 90 days or more (between Jan. 1, 2009 and April 30, 2010), he or she has until April 30, 2011 to sign a sales contract and until June 30, 2011 to close on the property.

Read more at the IRS website….