derivative classification authority

proportional-integral-derivative / proportional integral derivative (PID)

substantial derivative of a hydrodynamic quantity

effective dihedral derivative

material derivative of a hydrodynamic quantity

proportional–integral–derivative controller (PID controller / three-term controller)

symmetrically deflected elevon effectiveness derivative

control derivative

Derivative Method

derivative

Derivative (tech.)

ballistic missile derivative launch vehicle

bomber derivative used as a cruise missile launch platform

derivative fighter engine

derivative of an existing weapon system

engine model derivative

engine model derivative program

military derivative of commercial aircraft

oil derivative

proportional-integrative-derivative controller

second derivative method

self-modulating derivative optical spectrometer

proportional–integral–derivative controller / PID Controller / three-term controller

administrative classification

classification

military load classification (MLC)

military occupational classification (MOC)

NATO Supply Classification Group (NSCG)

restricted (security classification)

route classification

secret (security classification)

security classification

target classification