Official websites use .mil
Secure .mil websites use HTTPS
The U.S. Naval Research Laboratory’s (NRL) Contaminant Transport (CT) Analyst system runs an Android Tactical Awareness Kit (ATAK) plugin in Washington, D.C., April 24, 2026. CT-Analyst is an NRL developed tool that models airborne hazards in real time while the ATAK plugin enables the development of new features and eases deployment. (U.S. Navy photo by Sarah Peterson)
Google Translation Disclaimer