J57: https://en.wikipedia.org/wiki/Pratt_%26_Whitney_J57
CFM56: https://en.wikipedia.org/wiki/CFM_International_CFM56
As far as I know only the A-12 family and the X-51 used JP-7 given it needed Triethylborane (TEB) to ignite.
https://en.wikipedia.org/wiki/JP-7
https://en.wikipedia.org/wiki/Triethylborane
More on the KC-135Q/T
https://www.blackbirds.net/tankers/kc135q.html
http://www.habu.org/kc-135q/kc135q.html
J57: https://en.wikipedia.org/wiki/Pratt_%26_Whitney_J57
CFM56: https://en.wikipedia.org/wiki/CFM_International_CFM56
As far as I know only the A-12 family and the X-51 used JP-7 given it needed Triethylborane (TEB) to ignite.
https://en.wikipedia.org/wiki/JP-7
https://en.wikipedia.org/wiki/Triethylborane
More on the KC-135Q/T
https://www.blackbirds.net/tankers/kc135q.html
http://www.habu.org/kc-135q/kc135q.html