Sano was S-rank as of this approval post, since he was already Raikage at the time.
http://www.narutosaga.com/t12465p15-flynt-sanosukestat-training#117247
Trial By Thunder is thus a non-issue.
However, Trapped Emotions was active and posted for training much later, and is clearly labeled a Flashback thread; it is unable to be used for training.
Henceforth, as Akira has requested, please do not use the first six posts of this thread to post links for statistics; doing so convolutes the moderation process. Using a new post to directly link the stats will be very, very much appreciated.