A tribute page has been set up in honour of Corporal James Dunsby.
The 31 year old worked in Bath for the MoD as an analyst.
Cpl Dunsby died on Tuesday in hospital from injuries he suffered during SAS selection training in extreme heat a fortnight ago.
More top news
The major party leaders' campaigns for the General Election will remain suspended on Wednesday following the Manchester terror attack.
The threat level has been raised to critical by MI5's Counter-Terrorism Analysis Centre.
Prime Minister Theresa May announced the decision from Downing Street.