http://www.coasttocoastam.com/show/2015/12/26
The possibility of various crash sites throughout history remains intriguing.
https://en.wikipedia.org/wiki/Aztec,_New_Mexico,_UFO_incident ,
https://www.youtube.com/watch?v=nYxVwsAD-KA-
https://www.youtube.com/user/UFOTVstudios
http://www.ufocasebook.com/Aztec.html ,
http://www.ufoevidence.org/cases/case879.htm ,
http://www.thinkaboutitdocs.com/the-aztec-new-mexico-ufo-crash-and-recovery ,
http://www.ufomind.com/area51/desertrat/1995/dr27/rat_27_s3.html ,
http://www.ufoinfo.com/news/balthaser120601.shtml
So many times mysterious things are dismissed as another hoax.
http://skepdic.com/aztec.html
However, there have been several reports of UFO+crashes+throughout+history. Somethings going on but the official default setting is to just ignore it.
http://coolinterestingstuff.com/ufo-crash-sites ,
http://www.ufoevidence.org/documents/doc1687.htm ,
http://www.toptenz.net/top-10-most-important-ufo-incidents-in-history.php