I have looked at the pics. I spent much of my childhood next door to a major NATO base that began its life in the 50s as US owned early response base when the cold war was just beginning: it housed squadrons of US interceptors that formed part of the US strategic response to potential inbound long range bombers coming across the Atlantic, as well as serving as a refueling point and ordinance storage depot for long range bombers and Hercules transport aircraft (it also possessed one of the longest runways on the eastern seaboard meaning that if anything could become airborn or land on a runway, the base could host it even if only during transit). As a kid, about 30 years ago and during more relaxed times on the general international scene, I still have very fond memories of a piggy backed Space Shuttle doing a stop over there, and the US bodies responsible for both the Shuttle and its security, allowing our school onto the runway for a closeup circuit of the parked transport jet with the shuttle mounted on top, via our school buses.
This was an area of the province obtained by the US from Churchill as part of the WWII land-lease agreement, when we at that time under British colonial rule and had not yet joined Canada with confederation; when we did, in 1949, part of the package included that agreement remain in effect for the duration negotiated between Roosevelt and Churchill.
It was also used as, time went on, a major international NATO training base - mostly, but not limited to, low level flight training exercises.
Long story short, between that and our regular annual airshows - which played host to all manner of aircraft from various NATO countries, I'm no stranger to contrails in all their glorious forms and the many ways they can be shaded and colored by different ambient lighting and ground perspectives. And the photos I've seen so far look nothing like any kind of contrail to me. Whatever produced that tail we are seeing, which I'm not going to speculate on, it was not the result of any manner of aircraft contrail. That's just pure bunk.
-Spyder