True. I think there are three pins that have to be pulled. Not knowing the full story but I think the pins were pulled and ready to roll out ... waiting for the results.
“In 2022, the T-6 fleet and hundreds of other Air Force, Navy and Marine Corps jets were grounded after inspections revealed a potential defect with one component of the ejection seat’s cartridge actuated devices, or CADs. The fleet was inspected and in some instances the CADs were replaced.
When activated the cartridge explodes and starts the ejection sequence.”
https://apnews.com/article/pilot-ejection-seat-air-force-texas-245af4f7949346feecdd8032a92d031c