Crosstalk Issue on Software Assurance - This issue, published in Sep 2006, has five articles about various aspects of software assurance: Security in the Software Life Cycle by Joe Jarzombek and others; Using SPARK for Flight Control of Small UAVs; Application and Evaluation of Built-In-Test (BIT) Techniques in Building Safe Systems; Assessing Information Security Risks in the Software Development Life Cycle; Increasing the Likelihood of Success of a Software Assurance Program