The Su-27_
@su27theplane
Su-27's from 689. Gv.IAP, Chkalovsk airfield, Kaliningrad


Su-27's from 831th Tactical aviation brigade, Myrhorod airfield

1968 soviet ground based ELINT system antenna setup. It deals with needing to cover a wide range of sub-bands by simply listening to all of them at once via separate receivers. (this whole setup would be typically truck mounted on a rotating assembly)
Su-27's from 582. IAP, Chojna airfield Poland, early 90s




The structural mock-up of the T-10KTM naval fighter aircraft on the production facility floor of Sukhoi OKB. It was based on the experimental T10-20 fighter aircraft and differed from the future Su-27K (Su-33) aircraft in the absence of canards and a refueling boom, the design of…
Flight testing of the in-flight refueling system, 1987. The tanker aircraft is the prototype T10U-2 two seater aircraft (which would develop into the Su-27UB), and the receiving aircraft is the first flightworthy prototype of the Su-27K. Fomin, Su-33 Naval Epic, p. 76
So many people appeared so fast to look at beautiful images of Su-27, my goodness, hello everyone
