Currently being trialled for its maritime capabilities by the UK Ministry of Defence (MoD) in "Trial Vigilant Viper" off the coast of Scotland, the ScanEagle completed ten autonomous flights with full launch and recovery from a Type 23 Frigate in rough sea conditions.
I thought operating on a carrier in heavy seas was hairy. I can't imagine what it would be like on a frigate. At least the pilots won't be in any more danger than the rest of the crew.