We invite you to participate in SPIE Defense + Security 2014, the leading meeting for scientists, researchers and engineers from industry, military, government agencies, and academia throughout the world. For more than 20 years Defense + Security has been one of the largest defense technology meetings worldwide, and it is the key event featuring optics, imaging, and sensing. One of the strengths of Defense + Security is its central location in the Baltimore Inner Harbor, close to the center of many U.S. Federal Govenment offices/agencies and many of the largetst defense/security contractors and aerospace companies in America. Defense + Security is a prime event for government acquisition, policy, and program executive representatives. Thank you again for you past participation and we look forward to an even closer and stronger partnership with you during the Defense + Security Symposium 2014. We urge you to participate by submitting your abstract, and encourage your colleagues to do the same.