Came across a bit of a problem today with missing bits from the kit, I'm not sure if it's just this kit or standard ex factory.
For any of you who have the Zvezda 1/48 Kit and Jan I think you are one, it's missing the cowlings that fit behind the exhausts. Listed as parts A1 A2. These parts are in fact the upper main wings port and stbd. It's not a great problem that they are not included, scratch bits can be made up if so desired, but it also looks as though they would also be hidden behind the exhausts so not so noticeable.