What does VAH stand for?

Heavy Attack Squadron - Symbol (MCD)

Vaihoa - Tuamotu Archipelago - Seismograph station code, US Geological Survey (SEIS)

Varhadi-Nagpuri - Language code (ETLW)

Vertebral Ankylosing Hyperostosis - Medicine (EDAA)

Vertical Array Hydrophone

Veterans Administration Hospital - Later, VAMC

Virilizing Adrenal Hyperplasia - Medicine

Vitiated Air Heater