Contact Us

Defense One
600 New Hampshire Avenue NW
Suite 510
Washington, DC 20037

Defense One welcomes your queries. For general or technical questions or comments about advertising, business development, or other issues, please specify a topic on the form below.

Submissions: If you would like to pitch a submission to the editors, please read our writers guidelines and email Defense One always welcomes commentaries/op-eds. Less frequently, from time to time we will solicit or accept freelance work from journalists, which must be original, reported, and previously unpublished. 

Letters to the Editor: Defense One welcomes your intelligent thoughts, reactions, and comments to what you read here. Please keep it short, polite, and indicate the headline, date, and link to the article or item you are writing about. Defense One's editors will collect them and, when merits, occasionally publish them here. Send your letter via email to

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