Although the group encountered no surface ships , Enterprise aircraft sank Japanese submarine I-70 at 23 ° 45 ′ N 155 ° 35 ′ W \ / 23.750 ° N 155.583 ° W \ / 23.750 ; -155.583 ( USS Enterprise sinks I-70 ) on 10 December 1941 .
I-70 was sunk at 23 ° 45 ′ N 155 ° 35 ′ W \ / 23.75 ° N 155.583 ° W \ / 23.75 ; -155.583 ( USS Enterprise sinks I-70 ) on 10 December 1941 .