 Other changes made during the war ( exactly when these occurred is unknown ) included the replacement of ' A ' gun by a Hedgehog anti @-@ submarine spigot mortar , exchanging her two quadruple .50 @-@ calibre Vickers machine guns mounted between her funnels for two Oerlikon 20 mm AA guns , the addition of two Oerlikon guns to her searchlight platform , and the removal of her 12 @-@ pounder AA gun . Type 286 short @-@ range surface search radar was also added . Two QF 6 pounder Hotchkiss guns were fitted on the wings of her bridge to deal with U @-@ boats at short ranges . ' Y ' gun was also removed to allow her depth charge stowage to be increased to at least 60 depth charges . 
 Other changes made during the war ( exactly when these occurred <a href='drop_aux' title='1'><mark>is</mark></a>unknown ) included the replacement of ' A ' gun by a Hedgehog anti @-@ submarine spigot mortar , exchanging her two quadruple .50 @-@ calibre Vickers machine guns mounted between her funnels for two Oerlikon 20 mm AA guns , the addition of two Oerlikon guns to her searchlight platform , and the removal of her 12 @-@ pounder AA gun . Type 286 short @-@ range surface search radar was also added . Two QF 6 pounder Hotchkiss guns <a href='uninflect' title='2'><mark>were</mark></a> fitted on the wings of her bridge to deal with U @-@ boats at short ranges . ' Y ' gun was also removed to allow her depth charge stowage to be increased to at least 60 depth charges . 
Other changes made during the war ( exactly when dem occurred unknown ) included the replacement of ' A ' gun by a Hedgehog anti @-@ submarine spigot mortar , exchanging her two quadruple .50 @-@ calibre Vickers machine guns mounted between her funnels fa two Oerlikon 20 mm AA guns , da addition of two Oerlikon guns to her searchlight platform , and the removal of her 12 @-@ pounder AA gun . Type 286 short @-@ range surface search radar was also added . 2 QF 6 pounder Hotchkiss guns was fitted on the wings of her bridge to deal with U @-@ boats at short ranges . ' Y ' gun was also removed to allow her depth charge stowage to be increased to at least 60 depth charges .