I was thinking E/K/R...C-135 but always thought the 707 was larger than the 757. I was curious if it was some kind of Soviet contraption where the reverse engineered a 757 and added more power.
Last edited by lowandslow; 07-30-2016 at 02:29 PM.
Reason: sorry should have googled VC-10. Oh yeah it's a Super 80 with 4 engines.