Yes, that's my designation. [There's a twitch of a smile and then Jetfire shrugs.] But, if you're from the same reality as Drift, Ultra Magnus and quite a few others that are present, I am not the Jetfire you know.

[So not quite that lucky, Perceptor.]

Possibly, or, if memories aren't retained in the chance that we're sent back to where we come from and time relative between the dimensions appear to not move, any awareness of having left would be gone, and when brought back no recollection of being here would be present...

[He frowns slightly, folding his arms over his chestplates.]

There's not been enough proof either way, and certainly not many enough that have disappeared and then come back to be able to tell which might be the most correct.