Open ODF folder (Star Trek Armada II Fleet Operations\Data\odf\system):

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Open 'fed_avalonFR' and find the following line:


replacement0class0 = "fed_avalonF"

add beneath it:


replacement0classXX = "fed_avalonF2"
replacement0classXX = "fed_avalonF3"


Replace XX with the number 1 higher than the one before it.