 In preparation for the role, Armstrong and other cast members met with soldiers who had served in Afghanistan.The play had a six-week run at the Jerwood Theatre Upstairs in the Royal Court Theatre from March to May 2010 followed by two weeks at the Drum Theatre in the Theatre Royal, Plymouth in May.Armstrong played RAF tail gunner Dusty Miller in Terence Rattigan's World War II drama "Flare Path" in 2011.