Vtg US Military Shirt Men's Med Zip Front Sting Ray 13 3rd AVN DET Patch 70s

Pre-loved (emphasis on loved) men's Vtg US Military Shirt Men's Med Zip Front Sting Ray 3rd AVN DET Patch 70s ***Need TLC*** Size medium regular, chest from 37 - 41 in., height 56 to 71 on tag--see approximate measurements Shade of olive green Sting Ray 13 3rd AVN DET Patch front right pocket 8th Army patch upper left sleeve Zip front No other tags present. Other shirts we have like this one are marked Shirt, Flyer's, Hot Weather, Fire Resistant, DSA100-71-C-1435, 100% High Temperature Resistant Nylon E.C.T. Corporation on tag Vintage 1970's Distressed Destroyed Shows wear--see pictures for examples Has faded/discolored areas--see pictures for examples Has pilling--see pictures for examples Has wrinkles--see pictures for examples Zipper does not unzip. It gets stuck at the bottom. Many areas have loose ends of thread--see pictures for examples Has musty smell Measures approximately when laid flat and as adjusted: 21 7/8" across front waist, 28 1/4" inseam, & 29 1/4" out seam