Law Offices of David P. Sheldon Washington DC National Military Law Attorney | Maryland International Military Defense Lawyer | Virginia UCMJ Defense Attorney The Law Offices of David P. Sheldon provide military, judicial, appeal and administrative case support. The firm has over 30 years of direct legal experience in federal, state and military law and work nationally and internationally to provide legal services for military and retired military service and non-uniformed service members. For a solid military defense, in the U.S. or abroad, call the Law Offices of David P. Sheldon, in Washington, D.C., at 202-546-9575.