US HB4455

Establishes an Office of Security Assistance within the State Department's Under Secretary for Arms Control and International Security, headed by a Coordinator responsible for guiding security assistance programs and coordinating with the Defense Department on all related matters

Requires the Foreign Service Institute to develop specialized training curriculum on security assistance within 180 days, covering topics including statutory authorities, military systems, human rights vetting requirements, and end-use monitoring

Mandates creation of a common database within 2 years tracking all security assistance and security cooperation programs by recipient country, including costs, purposes, and recipient capacity assessments dating back to fiscal year 2017

Directs the Coordinator to develop an assessment, monitoring, and evaluation program for countries receiving significant security assistance, including baseline assessments of security sector governance, corruption levels, human rights records, and recipient absorptive capacity

Requires annual reporting to Congress beginning 3 years after enactment on priority security assistance recipients, evaluation results, and how assistance aligns with regional and country strategies developed under a new planning framework