Errors or Inaccuracy
I was the radio guy with the Blues of Charlie Troop I/9th. It was a typical recon mission searching for the enemy. All was quiet then sniper fire began. Our platoon leader grabbed my radio to contact our helicopter gunships circling high above. He called for a gun run (minigun and rockets) as tight to our position as possible which we marked with smoke.
Suddenly, bamboo was flying everywhere with explosions all around us. I looked up and saw the gunship pulling out of a gun run which was right on top of us. We were very fortunate this time with just a few minor injuries.
Limited visibility in a tropical jungle makes identification of a target very difficult.
As many as 8,000 friendly fire incidents may have occurred in the Vietnam War. Nobody knows for sure. No one was keeping count. Not all events were reported or even recognized as friendly fire, and the military did not want this to get out.
My Vietnam Experience 
What year was this? Was your LT named Sedacca?
1970 – LaChance
Can you email me at gfpi10@gmail.com I am looking for a needle in a haystack and you might have information to help me.
I was there
Welcome home brother
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I was stationed at Ft Dix in BCT B-2-2 before going to ‘Nam. There were quite few Vietnam vets finishing out their times as assistants to the drill sgts. Their was one such guy that had a nasty scar on his shoulder that he received in a fire fight. One night while a bunch of us were drinking, he confessed that he was hit by “friendly fire,” but not by accident. He had panicked during the fire fight, and was running away, and a fellow soldier intentionally shot him. The veterans that were there didn’t shun him, and those of us who hadn’t been there yet, definitely had no right to judge.