"The Battle of the Somme, July-november 1916" A party, which included the New Zealand Prime Minister Mr. William Massey and his Deputy Prime Minister Sir Joseph Ward, seen during a visit to the Somme region in October 1916. Massey and Ward are seen examining a Martinsyde g.100 at Vert Galant aerodrome, north of Talmas on the Amiens-Doullens Road, October 1916.