https://georgewbush-whitehouse.archives.gov/omb/kn20drgh/by-agency/agency_title/bureau_title/account_title/earmarks/earmark_82136.html
Earmark - Research Triangle Institute, International for Synthetic Vision System/Combined Vision...
synthetic vision systemresearch triangleearmarkinstituteinternational
https://nrc-publications.canada.ca/fra/voir/objet/?id=3514652f-c496-4761-9255-f5d78af6214f
Enhanced and Synthetic Vision System for Application to Search and Rescue Helicopter Missions in...
Enhanced and Synthetic Vision System for Application to Search and Rescue Helicopter Missions in Poor Visibility.
synthetic vision system