Joint Program Executive Office for Chemical, Biological, Radiological and Nuclear Defense (JPEO-CBRND)^[1] is a sub-office of the ASA(ALT).

The Joint Program Executive Office for Chemical, Biological, Radiological and Nuclear Defense is the Joint Service’s lead for development, acquisition, fielding and life-cycle support of chemical, biological, radiological and nuclear defense equipment and medical countermeasures.^{[citation needed]}