After voyage repairs she was transferred to the Navy on an indefinite time charter basis , 11 May 1942 .
After voyage repairs she was commissioned as Pontiac ( AF - 20 ) , 12 May 1942 .
After voyage repairs she was transferred to the Navy on an indefinite time charter basis , 11 May 1942 , and commissioned as Pontiac ( AF - 20 ) , 12 May 1942 .