Lambar girmamawa ta Majalisar ita ce mafi girman kayan ado na soja da gwamnatin Amurka ke ba wa jami'an sojan da suka bambanta kansu ta hanyar jajircewa. Shugaban kasar Amurka ne ke ba da kyautar a madadin majalisar, kuma ana ba da shi ga wadanda suka nuna jajircewa da rashin son kai a yayin fuskantar gobarar makiya ko wasu yanayi na ban mamaki. An fara kafa lambar yabo a shekara ta 1862 a lokacin yakin basasa kuma tun daga lokacin an ba da kyautar ga fiye da 3,500 masu karɓa.