The U.S. Department of Defense has allocated resources from two destroyers and VP-46 Patrol Squadron scanning the seas using P-3 aircraft.
Defense Video and Imagery Distribution System. “Navy Expands Search Effort for Missing Airliner.” March 18, 2014. http://www.dvidshub.net/video/323208/navy-expands-search-effort-missing-airliner#.Uyimc4W3utY
U.S. Department of Defense. “Navy Assists Search Search for Malaysian Airliner.” March 18, 2014. http://www.defense.gov/home/features/2014/0314_flight370/