 On 6 November 1945 , Lewis flew the Enola Gay back to the United States , arriving at the 509th 's new base at Roswell Army Air Field , New Mexico , on 8 November . On 29 April 1946 , Enola Gay left Roswell as part of Operation Crossroads nuclear tests in the Pacific . It flew to Kwajalein on 1 May . It was not chosen to make the test drop at Bikini Atoll and left Kwajalein on 1 July , the date of the test , reaching Fairfield @-@ Suisun Army Air Field , California , the next day . 
