Last Month or so there has been a P3-C #161122 formerly from VP-10 Jacksonville working out of Pax River NAS around area as WARLOCK10 mode s (AE1D42) VXS-1 as the S is for Scientific. http://en.wikipedia.org/wiki/VXS-1 They did have a older #154589 P-3 so maybe finally retired it.. Mark Maryland