The Office of the Surgeon General (OTSG) Chemical, Biological, Radiological, and Nuclear (CBRN) Staff Officer serves as U.S. Department of Defense Head of Delegation for International Medical CBRN Defense activities through participation in the CBRN Medical Working Group (CBRNMedWG), Biological Defense Medical Panel, and the CBRN Medical Training Panel (CBRN MTP). In this capacity the CBRN MTP supports CBRN defense medical exercise, training, and logistics guidance for NATO land, maritime, and air operations exercises ISO comprehensive CBRN Medical rationalization, standardization, and interoperability requirements. This brief will present the CBRN MTP Education, Training, Exercise & Evaluation (ETEE) program and select lessons identified in the recent culmination of Exercise Clean Care(CC), 26 APR-9 MAY 24, Hungary. Exercise CC 24 was held in conjunction with Exercise Vigorous Warrior 24 (VW 24) and comprised over 1600 participants from 35 NATO and Partner Nations. CC is a Tier 1 tactical level NATO bi-annual exercise designed to exercise NATO interoperability with medical and CBRN defense forces. The aim of CC 24 was to exercise the management of any casualty in a CBRN environment from point of exposure through deployable Role 2 medical care. VW/CC 24 was a resounding success meeting exercise objectives focused on multinational CBRN forces and CBRN medical forces capability and interoperability, CBRN contaminated area trauma care, medical management of combined CBRN/non-CBRN casualties, and civil-military medical cooperation.