 Recommissioned on 1 April 1913 , with Commander George B. Bradshaw in command , Yorktown operated out of San Diego on shakedown into mid @-@ April . She was soon back at Corinto , however , remaining in Nicaragua until 5 June . After a brief period of operations off the coast , she returned to Corinto on 21 June and remained there for over a month before departing on 31 July to coal at Salina Cruz , Mexico . She moved to Mazatlán on 10 August and there picked up mail , delivering it to the port of Topolobampo , Mexico , on the 11th . Yorktown remained there until mid @-@ September . 
