Note 22 — Chapter III · The Battle of the Somme: July 1st, 1916
Reading edition
The "A" line consisted of a double line of trenches, a front line, and immediate support. The second was alluded to as the "A.I." line.
Reading edition
The "A" line consisted of a double line of trenches, a front line, and immediate support. The second was alluded to as the "A.I." line.