National Defense Industrial Association is an events & trade shows organiser. NDIA provides its members & customers broad outreach & sector coverage through its chapters, technical, policy & war-fighting divisions, & the complimentary missions of its affiliate subsidiaries of: The National Training Systems Association(NTSA)-training & simulation systems, Association for Enterprise Integration(AFEI)-network centric operations & transformational business integration, Precision Strike Association(PSA)-precision engagement weapon systems, Women In Defense(WID)-workforce professional development & The National Correlation Working Group (NCWG)-intelligence for the war-fighter.