Thanks everyone. I had a feeling FR was "front rear" CoG, but wasn't sure.
But for the life of me couldn't figure out LR and UD drag- too much time modding flight sims and was thinking it must be something complex
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"There are only two types of ships- submarines...... and targets"
Unknown
"you wouldn't catch me on a ship that deliberately sinks itself"- comment to me from a surface sailor.
System:
AMD 6300 3.5 GHz | 32GB DDR3 | SATA 300 320GB HD, SATA III 1TB HD, SATA III 1.TB HD | ASUS Sonar DS sound card
NVIDIA 1660 Super OC | Windows 10