 SM UB @-@ 1 ( became the Austro @-@ Hungarian U @-@ 10 , July 1915 ) 
 SM UB @-@ 1 ( became the Austro @-@ Hungarian U @-@ 10 , July 1915 ) 
SM UB @-@ 1 ( became the Austro @-@ Hungarian U @-@ 10 , July 1915 )