"Fit for Duty" - In the Navy it could mean "Forward Front Deck" but the acronym FFD is rarely used in that application.
ffd
It means to be armed
war and military
An intensive or sudden military attack
Died While Missing
B Ffd
ffd
21.125 times.
ffd
ffd
An FFD ensures any gas escape is kept to a minimum if a flame goes out accidentally
It might be an abbreviation of Fitness for Duty, or Fit for Duty, or Focus Film Distance, or Fast Flash Disk, or something else.
no longer of the military services
A military helicopter
This is not used in the U.S. military.
European Command (U.S. Military)
it means get the military ready for war