England have been knocked out at the semifinals stage in the last two European Championships.
"We're here to win it," he said.
"Over the past couple of years, we've gone from bronze to silver and now we believe it's time to go and get the gold and bring back the trophy.
"It is about progression but we also really want to win it as well, and that's the aim for everyone here."
"Jack's not here and it's been well documented about the players that are not here," Delfouneso said.
"But we're all very comfortable with everyone that's here, we're all quality players and we all believe that we can push together and go and bring back the trophy."