Analysis of information sources in references of the Wikipedia article "Bell Boeing V-22 Osprey" in English language version.
Air Force Special Operations Command (AFSOC) boss Lt. Gen. Tony Bauernfeind ordered the operational stand down of the command's fleet on Dec. 6, shortly after Naval Air Systems Command (NAVAIR) instituted a grounding bulletin for all its V-22 variants. It is the second time this year that V-22s from all U.S. military services have been grounded. The Japan Maritime Self Defense Force had also grounded its V-22s following the Nov. 29 crash.
{{cite web}}
: CS1 maint: numeric names: authors list (link)Air Force Special Operations Command (AFSOC) boss Lt. Gen. Tony Bauernfeind ordered the operational stand down of the command's fleet on Dec. 6, shortly after Naval Air Systems Command (NAVAIR) instituted a grounding bulletin for all its V-22 variants. It is the second time this year that V-22s from all U.S. military services have been grounded. The Japan Maritime Self Defense Force had also grounded its V-22s following the Nov. 29 crash.