"...According to U.S. Navy sources, while the accident is still under investigation, it appears that the EA-18G suffered from severe cockpit over-pressurization. As it was described, the canopy failed after a particular safety valve—which would have relieved the pressure—failed to operate correctly. The Navy is in the process of implementing procedural fixes to address the most immediate issues in an effort ensure that such an accident doesn’t happen again.
“There is an ongoing investigation into the Mishap experienced by VAQ-132 last Friday,” Commander Jeannie Groeneveld, a spokeswoman for Naval Air Force, told the National Interest. “I can confirm that the crew was troubleshooting cabin pressurization issues when the canopy failed, damaging the aircraft and injuring the crew. It is important to let the investigation run its course to determine all causal factors of this mishap.”..."
What's Wrong With the U.S. Navy's Boeing F/A-18E/F Super Hornet Fleet? | The National Interest Blog