Every June, the military takes over the Home of Cricket for the Inter-Services Twenty20 Tournament.
Last year saw a tense finale between the Royal Navy and defending champions the Army.
With five needed off the last two balls, Josh Cooper smashed a six over the longest boundary to keep Army hands on the silverware.
The crowd plays such a big part in any cricket match and organisers are hoping the numbers will be up on last year.
For the second time, Blesma, The Limbless Veterans will be the tournament's charity partner.
All three teams have training weeks planned over the next month or so as they concentrate on their short-form game ahead of the biggest day in forces cricket.