The recommended mailing date for Priority Mail to military destinations in Iraq and Afghanistan is Saturday, December 4th. For all other military ZIP Codes the recommended date is Friday, December 10th. Express Mail must be mailed by December 18th (not available to Iraq and Afghanistan).
Mail sent to overseas military addresses is charged only domestic mail prices. The domestic mail price for the Priority Mail Large Flat Rate Box is $14.50, but for packages to APO/FPO addresses overseas the price is reduced to $12.50. Additional discounts are available for all customers printing their Priority Mail postage labels online at Click-N-Ship.
Recommended mailing dates for (non-military) International destinations vary. Please see below chart, noting several mailing dates are this Friday, December 3rd (Chart includes domestic mailing dates as well):