The Regt consists of Troops not dets and the 2ic is located at SHQ not within a tp.
Are you being obtuse on purpose to fish for the odd bite or three and to hide your true identity.
I have spent the last couple of years in 721 and found it to be like the other sqns - it fullfils a function. I've found that each sqn tries to claim to be the best, but i dont think any particular sqn can claim that honour, they all have their pro's and con's and its different for each person.
I don't agree with Yankee Charlies opinion of the 2ic, i personally think he is a top bloke, however i am waiting for my CR so watch this space for amendments.