I started out as a C-141 Instrument troop (325X1), but after Rivet Workforce I have worked Instruments/Flight Controls on most flavors of C-130:
C-130E
C-130H
AC-130H
AC-130U
MC-130E
MC-130H
EC-130E (ABCCC)
HC-130P
Out of these, I have the most time on Spectre and HC-130P's.