The Old Navy Military Discount, previously only once a month, is now available EVERY MONDAY! Old Navy offers 10% off of your purchase under the Old Navy Military Mondays promotion. You are required to have a valid Military ID to receive the discount. Old Navy has been a long-time loyal chain to the Military previously offering this same discount the first Monday of the month. We love to recognize chains that not just show support, but increase their support to Military members and their families. Find many of thier locations at MilitaryDiscounters.com and be sure to download our FREE Military Discount Phone App to make finding them even more convenient.