A recent training session was particularly special for a U.S. Air Force colonel and a senior airman. That's because they're father and son.

Col. Craig Peters, 940th Air Refueling Wing commander, flies a KC-135 Stratotanker. His son, Senior Airman Brendin Peters, 317th Airlift Squadron loadmaster, is training in a C-17 Globemaster III.

Earlier this month, the elder Peters had the chance to refuel his son's aircraft during a training exercise, based out of Altus Air Force Base in Oklahoma.

“I always assumed we would get this opportunity, but we didn’t get word about it until the morning of the training,” Col. Peters said. “This truly was a once in a lifetime opportunity for us to do this. I was proud knowing that he was in the other aircraft doing his job. When I first came to Altus AFB back in 1991, he wasn’t even born and now we are both training here and that’s remarkable.”

For the younger Peters, being in the sky with his father was just like another day of training.

“It didn’t faze me with him being in the other aircraft because I grew up with him always being around me, and this was just another one of those times," he said.

Col. Peters said he couldn't help getting a little choked up with patriotism and pride.

“To think that your son or daughter is involved with you in a situation like this is a special feeling," he said. "The whole thing is overwhelming if you think about it in depth. We were both 21,000 feet in the air and only 10 feet apart doing two different jobs for the Air Force.”

Let us know what you think in the comments, and see this Air Force major surprise his young son at school in an emotional reunion.

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