For those who are new to GWX, F1 brings up lots of useful info (I recently re-discovered it!) like:
Navigation shortcuts
Stations shortcuts
Enemies of Germany
Resupply info
U-boats and distance info
Flotilla news
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GWX 1.02
Sobers 3D waves
Longer wakes
Capt. America's officer icons
Scire - Tikigod repeated orders
Contact color
my own tweaks