British and Indian infantry units that participated in the conflict received the battle honour "Afghanistan 1919". No other battle honours for individual engagements were issued. Additionally, unlike the first two Anglo-Afghan wars where individual campaign ribbons were issued for separate engagements, no campaign medal was struck for this conflict.  Instead, participation in this conflict was recognised by a clasp to the India General Service Medal . The award of the battle honour was made in four separate Army and Governor General's orders.  The earliest, Army Order 97/24, granted the honour to 14 British units. Governor General's Order 193/26 made awards to Indian Army Corps. Governor General's Order 1409/26 made awards to Indian States Forces and finally a further Governor General's Order in 1927 made awards to a further three Gurkha regiments. The Army Order was unusual in that a mistake was made in awarding the Afghanistan 1919 battle honour to The Hampshire Regiment and the 21st Lancers.  This was subsequently rectified and the award to these two units was withdrawn. Pursuant to Army Order 97/24:
Question: How many groups received awards of the battle honour for "Afghanistan 1919"?
Answer: 4