[whatever mild animosity there had been at the start of the war between fliers and not, Starscream was older and wiser now. But it still needed addressing, if only to remove that element of potential prejudicial tension.] I did air support for Constructicons during the early days of the Earth campaign. They had bearings.

[and hopefully that's enough to let him know without making a huge issue out of it, before he nods to the question] Cybertronian, that's right. We just recently ended the war in my universe. [and lost. But whatever.]