Original sentence: Negative press coverage during the surge of UK military commitments in the years following the second invasion of Iraq  has largely given way to an appreciation that the care provided injured troops has significantly improved.The main hospital facility is now the Royal Centre for Defence Medicine at Queen Elizabeth Hospital Birmingham, a joint military-NHS centre.The majority of injured service personnel were treated in Selly Oak Hospital, Birmingham prior to the new Queen Elizabeth Hospital's opening
Edited sentence: Negative press coverage during the surge of UK military commitments in the years following the second invasion of Iraq  has largely given way to an appreciation that the care provided injured troops has significantly improved and is best carried out in a large NHS Teaching Hospital environment.The main hospital facility is now the Royal Centre for Defence Medicine in Birmingham, a joint military-NHS centre.The majority of injured service personnel are now treated in Selly Oak Hospital, Birmingham