16 March 2026 Twentynine Palms Sailors earn spirometry certification to safeguard respiratory health TWENTYNINE PALMS, Calif. — Sailors assigned to Navy Medicine Readiness and Training Command (NMRTC) Twentynine Palms completed National Institute for Occupational Safety and Health (NIOSH)-certified spirometry training on Feb. 26, expanding the command’s ability to detect occupational lung disease...