 Complete the following phrase:  Although he had already earned his first senior cap, Trapp was called up by the U23 national team for the first time in March 2015. He was a part of the team that placed third at the 2015 CONCACAF Mens Olympic Qualifying Championship, and was then called up to take part in the 2016 CONCACAFCONMEBOL play-off against Colombia. Trapp wore the captains armband for both games, culminating in a 32 aggregate defeat for the Americans that sent Colombia to the 