A relative of a missing passenger cries at a vigil in Beijing on April 8, 2014. Australian Defense Force divers scan the water for debris in the southern Indian Ocean on April 7, 2014. A towed pinger locator is readied to be deployed off the deck of the Australian vessel Ocean Shield on April 7, 2014.
From what I've learned in a similar search, I believe the DPO is the abbreviation for Discontinued Post Office. The AE definitely designates Army Europe and the 09498 part of your query would be the APO zip code for a former military installation.
Here are the addresses they use: APO stands for Army/Air Force Post Office for bases overseas. FPO stands for Fleet Post Office and is for the Navy/USMC bases and ship abroad. DPO is another US Post Office that sends mail to the US Embassies worldwide. DPO stands for Diplomatic Post Office.