EXHIBIT 21.1

LIST OF SUBSIDIARIES OF DELTA TUCKER HOLDINGS, INC.

Subsidiary Name	State/Country of Organization
DynCorp International Inc.	Delaware
Casals & Associates, Inc.	Virginia
DynCorp International LLC	Delaware
DCH Limited	United Kingdom
DI Aerospace Integrated Solutions Ltda	Colombia
DI Air Colombia SAS	Colombia
DIV Capital Corporation	Delaware
DTS Aviation Services LLC	Nevada
DynCorp Aerospace Operations LLC	Delaware
DynCorp Aerospace Operations (UK) Ltd.	United Kingdom
DynCorp (Aust.) Pty. Limited	Australia
DynCorp International Services LLC	Virginia
DynCorp International Services GmbH	Germany
Dyn Marine Services of Virginia LLC	Virginia
Phoenix Consulting Group, LLC	Alabama
Services International LLC	Delaware
Worldwide Humanitarian Services LLC	Delaware
Worldwide Recruiting and Staffing Services LLC	Delaware