Check the listing for details. Marine Air Group MAG-41 patch, Sew On, 3.5". Color: N/A, Size: N/A, Condition: New with box. Listed at 13.99 USD. Marine Air Group MAG-41 patch Enjoy this beautifully embroidered Marine Air Group MAG-41 patch. You'll love the quality of this patch and be proud to display it. 3.5 inch Embroidered US Veteran Owned Business Marine Aircraft Group 41 (MAG-41) is a United States Marine Corps reserve aviation unit based at Naval Air Station Joint Reserve Base Fort Worth, Texas that is currently composed of one F/A-18C squadron, one KC-130J squadron, one C-40 squadron, one Northrop F-5 aggressor squadron based at Marine Corps Air Station Yuma, Arizona, one Marine Light Attack Helicopter Squadron at MCAS Camp Pendleton, one MV-22B squadron based at MCAS Miramar, one aviation logistics squadron and two wing support squadrons with multiple detachments throughout the United States.