If I'm not mistaken we currently use Nimrods and 'other' aircraft & platforms, a true case of combined forces ?
I can say from experience, approaching the Southern English coast at night in my little - one might think stealthy - sailing boat with no lights on ( the battery was u/s ) we soon got hovered over by an equally unlit Lynx.
I'm always surprised when yachties with tall masts - stand by for the ooh er, missus comments - are asked to buy ever more expensive radar reflectors, while in WWII a U-Boat's periscope was recognisable ; and radar is of course not the only sensor available.