As per the fluff Iron Hands don't have their Terminator Veterans in squads, the veterans lead other squads to inspire their battle brothers.
0-3 Tactical, Sternguard or Vanguard squads may replace their Sergeant with a Terminator Sergeant.
WS BS S T W I A LD SV
4 4 4 4 1 4 2 9 2+
Unit Type: Infantry
Wargear: Terminator Armour, Storm Bolter, Power Sword
Special Rules: And They Shall Know No Fear, Combat Tactics, Inspiring Presence
Options: He may replace his Power Sword for a Power Fist at no cost. He may replace his Power Sword and Stormbolter with either a Pair of Lightning Claws or a Thunder Hammer & Storm Shield.
Inspiring Presence: Whilst a Terminator Sergeant is alive the unit may re-roll failed Morale Checks.