diff --git a/data/brands.csv b/data/brands.csv
index f87da76..f53fe2d 100644
--- a/data/brands.csv
+++ b/data/brands.csv
@@ -279,3 +279,5 @@ cmfr,CMAF Random Access chunk,CMAF
 cmh1,MPEG-H audio BL single-stream media profile,CMAF
 cmh2,MPEG-H audio BL multi-stream media profile,CMAF
 saie,SampleAuxiliaryInformationSizesBox with version 1 and 2,ISO
+geo1,The file is conformant to version 1 of NGA.STND.0076-01_V1.0_GIMI,NGA.STND.0076
+sm01,The file carries GIMI Security XML markings,NGA.STND.0076
diff --git a/data/item-properties.csv b/data/item-properties.csv
index fb72e25..c729cd1 100644
--- a/data/item-properties.csv
+++ b/data/item-properties.csv
@@ -76,3 +76,5 @@ fpac,Frame Packing Information,UNCV
 disi,Disparity Information,UNCV
 ilcp,Field Interlace Property,UNCV
 nnrC,Configuration item property for 'nnr1' item,NALu Video
+taic,TAI clock information box,UNCV
+itai,Item TAI timestamps,UNCV
diff --git a/data/sample-entries-boxes.csv b/data/sample-entries-boxes.csv
index 310d0e5..91fde03 100644
--- a/data/sample-entries-boxes.csv
+++ b/data/sample-entries-boxes.csv
@@ -95,3 +95,4 @@ dca3,Decoder configuration for AVS3-P3 Codec,Audio,T-AI-109.7
 apvC,APV Codec Configuration Box,Video,OpenAPV
 amve,Ambient viewing environment,Video,ISO
 almo,Alpha mode (straight vs premultiplied alpha) signaling,Video,Apple
+taic,TAI clock information box,General,UNCV
diff --git a/data/specifications.json b/data/specifications.json
index 8c67caf..fbf2ecd 100644
--- a/data/specifications.json
+++ b/data/specifications.json
@@ -712,5 +712,11 @@
     "url": "http://www.iso.ch/",
     "description": "ISO/IEC 23001-17: Carriage of uncompressed video and images in ISO Base Media File Format",
     "MPEG": true
+  },
+  {
+    "specification": "NGA.STND.0076",
+    "url": "https://nsgreg.nga.mil/doc/view?i=5650&month=8&day=7&year=2025",
+    "description": "NGA STANDARDIZATION DOCUMENT: GEOINT Imagery Media for Intelligence, Surveillance, and Reconnaissance (ISR) (GIMI) Volume 1. Profile of ISOBMFF & HEIF",
+    "MPEG": false
   }
 ]