ant ▁The ▁rank ▁ins ign ia ▁is ▁based ▁on ▁the ▁four ▁gold ▁bands ▁of ▁capt ains ▁in ▁the ▁Royal ▁Navy , ▁compr ising ▁four ▁narrow ▁light ▁blue ▁bands ▁over ▁slightly ▁wider ▁black ▁bands . ▁This ▁is ▁worn ▁on ▁both ▁the ▁lower ▁sle e ves ▁of ▁the ▁t unic ▁or ▁on ▁the ▁shoulders ▁of ▁the ▁flying ▁suit ▁or ▁the ▁cas ual ▁uniform . ▁ ▁Group ▁capt ains ▁are ▁the ▁first ▁rank ▁in ▁the ▁R AF ▁hierarchy ▁to ▁wear ▁gold ▁bra id ▁on ▁the ▁peak ▁of ▁their ▁cap , ▁inform ally ▁known ▁as ▁' sc ram bled ▁egg '; ▁however , ▁they ▁still ▁wear ▁the ▁standard ▁R AF ▁officer ' s ▁cap ▁bad ge . ▁ ▁The ▁command ▁p enn ant ▁for ▁a ▁group ▁captain ▁is ▁similar ▁to ▁the ▁one ▁for ▁a ▁wing ▁commander ▁except ▁that ▁there ▁is ▁one ▁broad ▁red ▁band ▁in ▁the ▁centre . ▁Only ▁the ▁wing ▁commander ▁and ▁group ▁captain ▁command ▁p enn ants ▁are ▁tri angular ▁in ▁shape . ▁ ▁Other ▁air ▁forces ▁The ▁rank ▁of ▁group ▁captain ▁is ▁also ▁used ▁in ▁a ▁number ▁of ▁the ▁air ▁forces ▁in ▁the ▁Commonwealth , ▁including ▁the ▁Bang l adesh ▁Air ▁Force , ▁Gh ana ▁Air ▁Force , ▁Indian ▁Air ▁Force ▁( I AF ), N am ib ian ▁Air ▁Force , ▁Niger ian ▁Air ▁Force , ▁Pakistan ▁Air ▁Force ▁( P AF ), ▁Royal ▁Australian ▁Air ▁Force ▁( RA AF ), ▁Royal ▁New ▁Zealand ▁Air ▁Force ▁( R N Z AF ), ▁Sri ▁L ank an ▁Air ▁Force ▁and ▁the ▁Tr in idad