 U @-@ 36 's armament consisted of five 53 @.@ 3 cm ( 21 in ) torpedo tubes ( four located in the bow and one in the stern ) . She could have up to 11 torpedoes on board or 22 TMA or 33 TMB mines . U @-@ 36 was also equipped with a 8 @.@ 8 cm SK C / 35 naval gun and had 220 rounds for it stowed on board . Her anti @-@ aircraft defenses consisted of one 2 cm ( 0 @.@ 79 in ) anti @-@ aircraft gun . 
