Feb. 10, 2021 Bomber interoperability: from flyovers to operational application A B-1B Lancer and B-52 Stratofortress flew together on February 3, 2021 over the skies of Barksdale Air Force Base; this dissimilar formation wasn’t in preparation for the bomber Super Bowl flyover that would happen days later, but rather for an operational test sortie executed by the 337th and 49th