Briscoe, who played in every round before the final, followed Hull's dramatic 25-24 win from hospital, and a few hours later heard fans celebrating outside.
City have not challenged at the top of the Championship since Gary Johnson led them to the play-offs in 2008, where they lost in the final to Hull.
The purpose of underwater protection was to absorb the force of a detonating mine or torpedo well away from the final watertight hull.
Every game we play from now on is going to be like a cup final". Hull KR: Cockayne; Sio, Minns, Horne, Wardill Blair, Kellyy; Tilse, Lunt, Walker, Greenwood, Donaldson, Allgood.
The centres Kallum Watkins and Joel Moon and forwards Brett Delaney and Adam Cuthbertson will get the weekend off as McDermott eyes the final showdown with Hull KR on Saturday week.
This competition has a foundation built on underdogs, and after Castleford's incredible run to the final in 2014, Hull KR saw off the strong favourites Warrington, thus ending their long exile from the showpiece final.
Valdes also started the final match against Hull, but Van Gaal has revealed that he intends to sell the 33-year-old because he does not believe in the Dutchman's philosophy, with his surprise omission from United pre-season tour of the United States an indication that Valdes has no future at Old Traffod.
Twice a loser in the final before, including with Hull three years ago against Wigan, the forward admits he has a personal score to settle with the competition.
The crowd's joy was confined until the news came through, some 15 minutes after the final whistle here, that Hull's rivals for the second automatic promotion place, Watford, had lost 2-1 at home to Leeds.
