Great Britain captain Barry Middleton is set for his sixth Champions Trophy campaign in London later this month.
Middleton, 32, is in a strong 18-man squad for the event, which also features Australia, India, South Korea, Belgium and Olympic champions Germany.
Britain's first game at the Olympic Park is against Australia on 10 June.
Head coach Bobby Crutchley said: "It is part of our Rio preparation but it's also a big tournament in its own right and we've picked a strong squad."
Middleton has won 362 caps and in May 2014 became the most capped England international.
He is joined by 33-year-old defender Dan Fox, who needs three more caps to reach 50 for Great Britain.
The final is scheduled to be played on 17 June.