Four men standing in front of the California National Guard Air Unit hangars, in April 1925

Photograph of four men standing in front of the California National Guard Air Unit hangars, in April 1925. In front of the hangars, the men talk in pairs, the two on the left looking towards the large expanse of land that extends left. Several aircrafts are housed in the rightmost hangar, while automobiles are parked in that of the left. The flat land at left is fenced off, and behind it lies the arborous hillside. A mountainous area can be vaguely discerned at the distance to the left. The back of the photoprint reads: "The illustration shows the availability of the neighboring hillsides for the use of tens of thousands of persons as spectators of the aeronautical events staged in the field below".; Photoprint reads: "Two hangars, US Air Service, used by Cal. Nat. Guard unit. The illustration shows the availability of the neighboring hillsides for the use of tens of thousands of persons as spectators of the aeronautical events staged in the field below" and "These hangars are the property of the U.S. Air Service and are in use by the National Guard of California's Air Unit. Major C.C. Moosely, in white shirt." .

1925年4月拍摄的一张历史照片，画面为四名男子站在加利福尼亚国民警卫队航空分队（California National Guard Air Unit）的机库前。机库前方，四人两两交谈，左侧的两人正望向左侧延展的大片开阔空地。最右侧的机库内停放着数架航空器，左侧机库则停有汽车。左侧的平整空地设有围栏，其后方是林木繁茂的山坡，左侧远方还隐约可见一片山区。照片背面标注文字：“本图展示了周边山坡可容纳数万人作为观众，观看下方场地举办的航空赛事。” 照片正面另有两处标注：其一为“两座机库，隶属于美国陆军航空勤务队（US Air Service），由加利福尼亚国民警卫队分队使用。本图展示了周边山坡可容纳数万人作为观众，观看下方场地举办的航空赛事”；其二为“这些机库为美国陆军航空勤务队的财产，由加利福尼亚国民警卫队航空分队使用。身着白衬衫的C.C.穆斯利少校”。