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No. 4 ESN (Signal cartridge?)
Hi,
Recently I came over a text in a ORB from 06.02.1944 (333.sqn.) saying :
“P” gained hight and turned to port to get on tail of E/A which then fired a cartridge. “P” replied with No 4 ESN which seemed to satisfy E/A which did not open fire".
Maybe someone can tell me what the letters ESN means, and why its' written "No 4" in front of it ??
And how often did the LW in Norway change their colours of signal cartridges?? Weekly ??
Warmest regards,
Jagdkommando
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