The retrieval of critical ocean sensors by the United States is severely disrupting international climate research, particularly for Canadian scientists monitoring the Atlantic Meridional Overturning Circulation ahead of El Niño. This specific action highlights a broader, systematic effort by the Office of Management and Budget to politicize, defund, and dismantle American scientific infrastructure. Researchers warn that withholding appropriated funds and arbitrarily cancelling grants will devastate the scientific community and permanently damage global research leadership.