![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098033/104/78/0/190307-D-IM742-1001.JPG) | HIST-001-001 | Second Signal Service Battalion Officers and Enlisted Men |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098034/104/78/0/190307-D-IM742-1002.JPG) | HIST-001-002 | Second Signal Service Battalion Officers and Enlisted Men |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098035/104/78/0/190307-D-IM742-1003.JPG) | HIST-001-003 | Second Signal Service Battalion Officers and Enlisted Men |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098036/104/78/0/190307-D-IM742-1004.JPG) | HIST-001-004 | Second Signal Service Battalion Officers |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098037/104/78/0/190307-D-IM742-1005.JPG) | HIST-002-001 | Room in B Bldg.-Colonel Aurell |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098038/104/78/0/190307-D-IM742-1006.JPG) | HIST-002-002 | Room in B Bldg.-Colonel Aurell |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098029/104/78/0/190307-D-IM742-1007.JPG) | HIST-002-003 | Room in B Bldg.-Colonel Aurell |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098030/104/78/0/190307-D-IM742-1008.JPG) | HIST-002-004 | Room in B Bldg.-Colonel Aurell |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098031/104/78/0/190307-D-IM742-1009.JPG) | HIST-002-005 | Room in B Bldg.-Colonel Aurell |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098032/104/78/0/190307-D-IM742-1010.JPG) | HIST-002-006 | Room in B Bldg.-Colonel Aurell |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098048/104/78/0/190307-D-IM742-1011.JPG) | HIST-003-001 | Supply Room - burn barrels and other supplies |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098049/104/78/0/190307-D-IM742-1012.JPG) | HIST-003-002 | Supply Room - supplies/furniture |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098050/104/78/0/190307-D-IM742-1013.JPG) | HIST-004-001 | Photo from WAC (Women's Army Corps) Booklet - exterior |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098051/104/78/0/190307-D-IM742-1014.JPG) | HIST-004-002 | Photo from WAC (Women's Army Corps) Booklet - library |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098052/104/78/0/190307-D-IM742-1015.JPG) | HIST-004-003 | Photo from WAC (Women's Army Corps) Booklet - exterior |