Holographic Versatile Disc, an optical disc technology still in the research stage
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High-value detention site, United States military terminology for a prison at which are detained 'high value' (useful) prisoners
The Khovd Airport (HVD/ZMKD) has two runways, one of which is paved, and gets served by regular flights from and to Ulan Bator, Mörön, and Bulgan.