much for having me. >> reporter: thank you. >> woodruff: the air force's top officer is general c.q. brown, the first and so far only black service chief in u.s. military history. nick schifrin sits down with general brown, and first looks at his history, and his priorities. >>hen i'm flying and put my helmet on, my visor down, my mask up, you don't know who i am. >> schifrin: it's an airorce recruiting ad, ad-libbed by its top officer. >> whether i'm african american, asian american, hispanic, white, male, or female-- you just know i'm an american airman, kicking your butt. >> schifrin: general c.q. brown jr became air force chief of staff in 2020, and one of his priorities-- diversifying the force. during last year's national disquiet following george floyd's deat he called out the military for the racism he experienced. >> i'm thinking about the pressure i felt to perform error-free, especially for supervisors i perceive had expected less from me, as an african american. i think about wearing the same flight suit with the same wings on my chest as my peers, and then been questioned by a

we speak to the air force chief of staff general c.q. brown membership of an extremist organization-- that goes against our core values, that goes against your o