Did you see my post on “DODReads” over in Military News? Service reading lists, podcasts, etc. Podcast hosts are AD USNA grads.
"Snipes" are engine room personnel. Apparently the ship was taking heavy spray topsides and water could enter the stack (engine exhaust pipes). Knox class ships had a combination Stack and Mast. Google "Knox Class ship picture" and you will see it.
Snipes: Navy engineering and mechanical types, usually found with tools and machinery
It is like learning a whole new language! 
The UNREP evolution is an intricate evolution for ship handlers with potential for two ships colliding. Nonetheless the evolution is a thing of beauty to behold. My LHA (the LHD is the follow-on ship version) was replenished with stores and "passed gas" to in the form of DFM (distillate fuel marine) and JP-5 aircraft fuel. The evolution went well when all the lines and fueling rigs were disconnected and our ship made a safe break away from the replenishment ship. Slowly altering course and increasing speed to gain separation, we played our UNREP breakaway song. It could be heard throughout the ship and by the replenishment ship.I recognize we are in a maritime thread, but the ocean doesn’t distinguish.
I knew I had seen this clip in the last few years. Salutes to the sailors working forward to execute the unrep evolution, kudos to the bridge teams doing the side-by-side ship driving in those seas. The hard labor is being done by the deck crews on each ship and their supervisors. Dangerous, cold, wet.
For those readers who don’t know what’s going on, “unrep” is underway replenishment, passing gas at sea. Other things, and people in a basket, can get passed too. It’s akin to driving a Suburban and a Corolla next to each other on the freeway at speed, passing things via a line through the windows.
I can’t recall which ship now, but “Ride of the Valkyries” was their breakaway song, which I always thought was a good one, along with Willie Nelson’s “On The Road Again.”
It's been awhile, but I do remember that when I went through STREAM school as a reservist. 
The Navy stuff is interesting to me. 18 years sailing merchant ships. Very little Navy time. USCG small boats are really cool!
You mentioned Stream school, the rig that provides constant tension as the ships move in and out is "STREAM" and the stream rig provides a cable that runs between the ships and is then put under hydraulic tension so that it stays taut and the hoses for oil or pallets of stores ride across hanging from that wire. Many/most Unreps have multiple stream rigs going so you can do Oil and stores at the same time. Bigger ships might have 2 or 3 oil hoses going at a time and some of them are doubled up so 1 Stream rig can carry two big oil hoses. Sometimes Stores including ammunition are also going across by helo while the refueling is going on.
Whats the distance between the two ship? I would assume the ships are on "hand steering"? Helmsman would have to be onto of maintaining thier heading very tight. I did some underway lightening between a ULCC and VLCC but we tied up a/s with large Yokahama fenders... maintained stead course...I can see why UNREP needs to be practiced.
Practice is key. A “duty USNS T-AO oiler” is often sent out of a home port to take practice approaches and breakaways all day long from Navy ships. Junior Navy officers would be at the conn, learning from both their more senior deck officers as well as a seasoned and patient T-AO master coaching them. There would be a line of destroyers and cruisers waiting their turn.
Duty oiler. Probably not an official term but on the Savannah we would get underway to do that or go refuel a ship coming back from somewhere. Ships are meant to go to sea and supply ships it seems stay there.
The PAWCATUCK, being an older oiler didn't have the hydraulic ram tensioners. They maintained tension on the span wire with just the hauling winches.. As I recall we stayed right around 100 foot off and we were in 'hand steering' the entire time.. although I had heard of ships being put on 'auto pilot' during an unrep operation.. At the end of it all no breakaway music was played.. and each ship went it's separate way.. I do remember getting 'oscar tango' for the whole evolution.. I was making the big bucks that day..
I don't know if the MSC bubbas got overtime too, but probably not.