A report by the defense news Web site Defense Professionals in July 2009 said the Arihant design possibly is based on the older 5,000-ton Russian Charlie-II class submarine.
What does SD stand for?
SD stands for Site Defense
This definition appears frequently and is found in the following Acronym Finder categories:
- Military and Government
See other definitions of SD
We have 158 other meanings of SD in our Acronym Attic
- Sidereal Day (orbital mechanics)
- Siemens Dematic
- Sight Draft
- Signal Degrade
- Signed Digit
- Significantly Different
- Silenced (weapon)
- Sine Die (Without A Day, fixed)
- Single Density
- Single Dose
Samples in periodicals archive:
During the day, Team Cobra dug foxholes, strung wire, and filled sandbags, because site defense is never complete.