preliminary site video

demonstrations/AnnapolisUSNA/README.md

@@ -15,8 +15,9 @@ This work was supervised by Naval Support Activity Annapolis (NSAA).  Commercial
 Naval Facilities Engineering Services Command (NAVFAC), and Commander of Naval Installation Command (CNIC).  Naval Postgraduate School (NPS) provided technical expertise and tools for model validation.
 
 Demonstrations of interest:
-* Preliminary [2021 Site Exploration Preview video](NSAA_USNA_3D_Viewer_Demonstration_Video_022522_v5.mp4) at
-[![AnnapolisCampusSplash_04_02_2021.png "USNA Annapolis Maryland, 3D Virtual Environment walkthrough preiminary video, 2021"](AnnapolisCampusSplash_04_02_2021.png)](Annapolis_04_02_2021_.mp4)
+* Preliminary [2021 Site Exploration Preview video](Annapolis_04_02_2021_.mp44)
+<!-- at
+[![AnnapolisCampusSplash_04_02_2021.png "USNA Annapolis Maryland, 3D Virtual Environment walkthrough preiminary video, 2021"](AnnapolisCampusSplash_04_02_2021.png)](Annapolis_04_02_2021_.mp4) -->
 <!-- https://savage.nps.edu/videos/Spiders3D/Annapolis_04_02_2021_.mp4 -->
 * [Virginia Tech CUBE Walkthrough presentation](VirtuWorlds_NSAA_USNA_Cube_Video_05022022.pptx)