Can somebody tell the exact purpose of these US airships

[Albatross]

 

[Wet Shirt Contest]

*Long Endurance,
*Surveillance ,
*Low operational costs

 

[Albatross]

Are there other countries who owns such airships besides US?

 

[Skull and Bones]

Are there other countries who owns such airships besides US?

I don't think anyone else operating airships, but India, Israel and some other countries are operating Aerostats.