Diane Barbour (right), the Occupational Health Nurse for the U.S. Army Corps of Engineers, Savannah District, instructs an employee from the Hazardous, Toxic and Radioactive Waste Branch on the proper technique for performing high-quality chest compressions during a cardiopulmonary resuscitation course in Savannah, Georgia, Dec. 16, 2024. Barbour ensured participants used the correct depth and rhythm of compressions needed for lifesaving measures on mannequins.