GUN CREW WITH A 3-INCH ANTIAIRCRAFT GUN M2.
License: Free license: PD: public domain
Source:
Primary book source of text and photograph: United States Army in World War II Pictorial Record: The War Against Japan
Photograph and text source: https://books.google.com.ph/books?id=QtEm3xuzSRkC&pg=PA41
Photograph and text also found in: https://www.gutenberg.org/cache/epub/69698/pg69698-images.html Pg 41
Book also found in: https://archive.org/details/TheWarAgainstJapan
Also found here: https://en.wikipedia.org/wiki/File:Gun_Emplacement_On_Corregidor_3-inch_antiaircraft_gun_M3.jpg
Link to full digital asset: https://history.com.ph/images/JapaneseInvasion013.png