Help with 4 patches

[42ndbombers]

I would like to know the dates the 509th patch would have been used. Next, is the Cow Chippers an Air Force patch or another branch? The yellow one I`m guessing is some version of an Army 7th Armored Division. The last one is an unknown to me. Google says the words are Spanish and translate to land and attack.

 

[Randy]

The 509th is 60s-70s. The USAF stopped wearing color insignia on green fatigues in January 1981(except special events). The flight surgeons looks like a USAF class patch. The number appears to be 76-3, which would be the third FS class in 1976. Many classes make up their own special class patch. Can't help with the Army, I'm sure someone else can.

 

Randy

[atb]

The bottom two are reproductions. I do not know the right hand one. The one on the left is a repro of the 7th Cavalry Brigade(?), the Army's post-WW1 all arms motorized unit.

[BILL THE PATCH]

The bottom right is a repo of the 551st para inf bn, a bad repo at that

 

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[42ndbombers]

Thanks everyone. I took a gamble when I bought them. I thought the yellow might have been a find because it`s felt. And the one next to it is really thick and it`s made from 2 layers of materials plus someone had it displayed so it was worth a shot.

[Mark1]

The Flight Surgeon class 1976-3 patch could belong to the Naval Aerospace Medical Institute. Haven't done any research on it yet, but that is what was on a piece of paper that came with the one I have.

 

Mark