"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
Died While Missing
An intensive or sudden military attack
war and military
B Ffd
21.125 times.
sand grains
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.
This is not used in the U.S. military.
A military helicopter
no longer of the military services
European Command (U.S. Military)
it means get the military ready for war