![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098086/104/78/0/190307-D-IM742-1046.JPG) | HIST-006-003 | Guards |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098087/104/78/0/190307-D-IM742-1047.JPG) | HIST-006-004 | Guards |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098088/104/78/0/190307-D-IM742-1048.JPG) | HIST-007-001 | Breaking Ground for Bldg. 2 - General McGrail (second from left) |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098089/104/78/0/190307-D-IM742-1049.JPG) | HIST-010-007 | Lieutenant Sturgis C Branch |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098090/104/78/0/190307-D-IM742-1050.JPG) | HIST-010-008 | Lieutenant Sturgis C Branch |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098091/104/78/0/190307-D-IM742-1051.JPG) | HIST-010-009 | Lieutenant Sturgis "C" Branch - SIGABA, Rotors, Miss Mary Jane Schell |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098092/104/78/0/190307-D-IM742-1052.JPG) | HIST-010-010 | Lieutenant Sturgis C Branch |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098093/104/78/0/190307-D-IM742-1053.JPG) | HIST-010-011 | Lieutenant Sturgis C Branch - Print shop (binding) |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098094/104/78/0/190307-D-IM742-1054.JPG) | HIST-010-012 | Lieutenant Sturgis C Branch |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098095/104/78/0/190307-D-IM742-1055.JPG) | HIST-010-013 | Lieutenant Sturgis C Branch |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098096/104/78/0/190307-D-IM742-1056.JPG) | HIST-010-014 | Lieutenant Sturgis C Branch |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098097/104/78/0/190307-D-IM742-1057.JPG) | HIST-010-015 | Lieutenant Sturgis C Branch - Type |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098098/104/78/0/190307-D-IM742-1058.JPG) | HIST-010-016 | Lieutenant Sturgis C Branch - Print press room |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098078/104/78/0/190307-D-IM742-1059.JPG) | HIST-010-017 | Lieutenant Sturgis C Branch - Printing |
![Historic Photograph of NSA and its Predecessor Organizations; See image description for specific information](https://media.defense.gov/2019/Mar/08/2002098079/104/78/0/190307-D-IM742-1060.JPG) | HIST-011-001 | G Branch Officers |