I was in the Army, so I don't really know. I went through my training at Ft Benning in those old wood frame fire-traps built in WW2, and they were torn down in the late 80's but I don't think it's exactly the same. I had friends who were in units which had ceased to exist in the Table of Organization (like the 501 and 503 Inf Regts, now restored, I understand, but they had been disbanded), but I don't think that's exactly the same thing either.
John Keegan, in The Price of Admiralty, says when speaking of the HMS Victory, that there's something special about a fighting ship, and the weight of history it carries, like it's the ship, not the area of ocean that the battle took place in, that is the actual battlefield. And when a ship is preserved it's like the battlefield is preserved in the actual condition as the time of the battle.
People have been lamenting the fate of great and storied ships going to the breaker's yard for at least 200 years. There's a well known painting by (I think) William Turner, called The Fighting Temereraire, showing that famous ship headed for the breakers. How close was the Constitution, and even the Victory, to being broken up at one time or another? Thank goodness we've saved as much as we have.
Al