Preparing the place from which Japan’s end will come. 

On July, 24, 1944, the crew of a Grumman Avenger of the United States Navy flies past the Japanese-held Ushi Point Airfield, which they have just attacked on the island of Tinian in the Marianas chain. The black plumes of smoke from burning Japanese aircraft signal the coming wreckage of the Japanese empire and homeland. The invasion of Tinian, which began July 24 and ended August 1, was very difficult, over 300 Americans and 6,000 Japanese lost their lives. As soon as the US Marines had secured the field, Navy Seabee construction battalions began work on constructing an airfield capable of B-29 Superfortress operations. A year after this photo was taken, on August 5, 1945, a B-29 was maneuvered over a bomb loading pit and then taxied to Runway Able at North Field. At 2:45am on August 6, the B-29, piloted by Lt. Col. Paul Tibbets of the 509th Composite Group, who had named the plane after his mother, Enola Gay, took off. On August 6 at 8:15 am Hiroshima time, the Little Boy bomb was dropped on Hiroshima. A minute later, the bomb exploded. Three days later, on August 9, the B-29 Bockscar and support planes took off from Tinian. The "Fat Man" atomic bomb exploded over the city of Nagasaki at 11:02 AM Nagasaki time.

https://www.atomicheritage.org/location/tinian-island