two years saw him make two appearances for the U21 side, making a total of ten appearances. In November 2002, Caldwell was called up for the Scotland B team for the first time. He then started the whole game, as the national side B team drew 3–3 against Germany B on 18 December 2002. A year later, Caldwell, once again, called up to Scotland B Team once again. He then scored his first goal for the national B Team, as they drew 3–3 against Turkey Future on 10 December 2003. After the match, Caldwell criticised Turkey, calling them a "cheat". Senior career In April 2001, Caldwell was called up to the senior squad for the first time after breaking into the Newcastle United's first team. He made his debut for Scotland in a 1–1 draw away in Poland at the Zdzisław Krzyszkowiak Stadium on 25 April 2001. His home debut came on 12 February 2003 in a 2–0 defeat to the Republic of Ireland at Hampden Park. However, Caldwell did not play for the national side for rest of 2003, as Manager Berti Vogts placed him on the substitute bench and they did not qualify for the UEFA Euro 2004. It wasn't until on 18 February 2004 when he returned to the starting line–up for Scotland, as they lost 4–0 against Wales. Three months later on 30 May 2004 against Trinidad and Tobago, Caldwell came on for his brother in the 79th minute, and played the remaining match, as the national side won 4–1. He played twice in Scotland's qualification for the 2006 World Cup, in a 1–1 draw with Moldova at the Zimbru Stadium in Chişinău, playing alongside Gary for the first time (they were the first siblings to play together for the national team since the 1940s) and a 3–0 away win over Slovenia at the Arena Petrol in Celje. However, Caldwell expressed his frustration on being overlooked from the national team squad, though he later credited new Manager Walter Smith for reviving his Scotland's career. Having been a year without being called up to the national team squad, Caldwell maintained that he's still open to be called up for Scotland. It wasn't until on 5 August 2009 when Caldwell was called up to the national team squad for the first time in three years. He played alongside Gary against Norway on 12 August 2009 until his younger