What does HDD mean in Governmental & Military

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All HDD meanings

What does HDD stand for?

HDD stands for "Heavy-Duty Diesel"

How to abbreviate "Heavy-Duty Diesel"?

"Heavy-Duty Diesel" can be abbreviated as HDD

What is the meaning of HDD abbreviation?

The meaning of HDD abbreviation is "Heavy-Duty Diesel"

What does HDD mean?

HDD as abbreviation means "Heavy-Duty Diesel"