National boss Mark Hughes has rewarded Barnard with a place in the squad for the double header. Barnard's inclusion in the squad does mean that he'll miss Town's home game with Stockport on November 15th.
Ex-Mariners John Oster, Danny Coyne and Paul Trollope are all also in the squad.
Full squad
P Jones (Southampton), M Crossley (Fulham), D Ward (Nottm For), D Coyne (Leicester); D Barnard (Grimsby), M Delaney (Aston Villa), R Edwards (Aston Villa), D Gabbidon (Cardiff), A Melville (Fulham), R Page (Sheff Utd), K Symons (Crystal Palace), A Williams (Reading); S Davies (Tottenham), A Johnson (West Brom), J Koumas (West Brom), J Oster (Sunderland), M Pembridge (Fulham), C Robinson (Portsmouth), R Savage (Birmingham), G Speed (Newcastle), P Trollope (Northampton), D Vaughan (Crewe); N Blake (Wolves), R Earnshaw (Cardiff), R Giggs (Man Utd), J Hartson (Celtic), G Taylor (Nottm For), N Roberts (Wigan).