NEW ORLEANS (AP) – An investigation of a Black Hawk helicopter crash in March that killed all 11 service members on board – including seven special operations Marines – shows the Louisiana National Guard pilots in the training mission disobeyed direct orders by choosing to fly into worsening weather conditions.

In June, the military said the crash was caused when the pilots became disoriented during the night-time training mission off the Florida coast on March 10. The mission took place as dense sea fog rolled in from the Gulf of Mexico.

But the full report, obtained by The Associated Press late Thursday, said the pilots were not authorized to fly in such bad weather conditions and that others on the training mission failed to challenge the over-confidence of the lead pilot.Copyright 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.