CH-53 PVC Flightline Qual Patches Size:SFF rebuilt the squadron and adopted

rebuilt the squadron and adopted the name "Avengers" in memory of their fallen and captured brothers

The battalion inherits the 4th Marines' storied lineage — from Shanghai service in the 1920s-30s

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and staff who cared for those who served

and federal LE heritage patch collectors

CH-53 PVC Flightline Qual Patches Size:SFF rebuilt the squadron and adoptedCH 53 PVC Flightline Qual Patches CH 53 Super Stallion King Stallion CDI Flightline Qualification PVC Patch CDI Qualified the CH 53 flightline qualification PVC patch, recognizing the heavy lift helicopter maintainers who earned the authority to inspect and certify aircraft. This PVC flightline qualification patch recognizes Marines who have earned their Collateral Duty Inspector (CDI) qualification on the CH 53 helicopter platform. CDI qualification