Now(1.3.0.130):

1. FMG(Corporal)
2. FMG/Tracer(Corporal)
3. Tracer(Corporal)
4. AP(Sergeant)
5. AP/Tracer(Sergeant)

It would be more convenient if they were sorted by rank, the higher the ones, the further to the right:

1. FMG/Tracer(Corporal)
2. Tracer(Corporal)
3. FMG(Corporal)
4. AP/Tracer(Sergeant)
5. AP(Sergeant)