Tuesday's appearance would have followed up on the pair's open testimony last week on the topic of Russian meddling in the presidential election and the alleged mishandling of intelligence related to the Trump transition team.

"Director Comey and Adm. Rogers could not come in tomorrow as we’d hoped, so the Committee will continue to try to schedule a time when both of them can meet with us in closed session," a spokesperson for Chairman Devin Nunes, R-Calif., said in an email to Fox News.