The battle for the Melfa River on 24 May 1944 started with Lieutenant-Colonel Vokes’ VOKESFORCE, based on the British Columbia Dragoons, advancing through the breakthrough of the Hitler Line at about 0800 hours. This force established a firm base, codeword KUMMEL, about 2,000 yards beyond the 3rd Infantry Brigade salient. STRATHFORCE, (also known as #8220;Griffin Force,#8221;) based on Lieutenant-Colonel Griffin#8217;s Lord Strathcona#8217;s Horse (RC), moved through KUMMEL at about 1330 hours. Its objective was to seize a crossing of the Melfa River.
Milroy, W.A. "An Introduction to the Battle for the Melfa River." Canadian Military History 2, 2 (1993)