No, but it can be spelled "hard tack" with a space.
Its a maritime term for salted beef, by extension anything spartan or rough-house as one might say a hard-tack (Usually hyphenated) Life-Style.
Hardtack # Hardtack is most often used in the civil war.# Hardtack is dipped in coffee, tea, soup, etc.# It is very crunchy that is why it is used for dipping in things#
Operation Hardtack - commando raid - happened in 1943-12.
1800
Hardtack
Hardtack Is a hard bread or cracker fed to soldiers in the Civil War.
During the Civil War, dried biscuits were called hardtack.
Hardtack is pretty good with butter and a little salt sprinkled on it. However, not all people like the taste.
Hardtack
in clock square
It is not hyphenated.
Motorcycle is not hyphenated