▁Hum ming bird ▁mon op lan es ▁were ▁launched ▁and ▁recovered ▁by ▁air ship ▁R 3 3 ▁( 1 9 2 4 ), ▁followed ▁by ▁two ▁G loster ▁Gre be ▁f igh ters ▁( 1 9 2 5 ). ▁ ▁A ▁gl ider ▁and ▁a ▁bi plane ▁were ▁recovered ▁by ▁the ▁USS ▁Los ▁Angeles . ▁These ▁were ▁followed ▁by ▁the ▁F 9 C ▁S par row h awk ▁esc ort ▁f ighter ▁which ▁fle w ▁operation ally ▁from ▁USS ▁Ak ron ▁and ▁Ma con ▁( 1 9 3 5 ). ▁▁ ▁Oh ka ▁Ro cket ▁plane ▁on ▁the ▁M its ub ishi ▁G 4 M . ▁▁ ▁Short ▁S . 2 0 ▁and ▁Short ▁S . 2 1 ▁composite ▁used ▁for ▁trans at l antic ▁mail ▁( 1 9 3 7 ). ▁ ▁The ▁Pol ik arp ov ▁I - 1 6 ▁modified ▁into ▁a ▁d ive ▁bom ber ▁carrying ▁two ▁ 2 5 0   kg ▁bomb s ▁( variant ▁Ts KB - 2 9 ), ▁flow n ▁from ▁a ▁T up ole v ▁T B - 3 ▁as ▁the ▁Z ven o - SP B ▁(" compos ite ▁d ive ▁bom ber "), ▁was ▁the ▁first ▁par as ite ▁aircraft ▁to ▁see ▁combat ▁( 1 9 4 1 ) ▁ ▁The ▁Mess ersch mitt ▁Me ▁ 3 2 8 ▁esc ort ▁f ighter ▁was ▁intended ▁to ▁fly ▁from ▁the ▁D orn ier ▁Do ▁ 2 1 7 / He inkel ▁He ▁ 2 7 4 , ▁but ▁this ▁was ▁un success