war 138Sd.Kfz. 1381 Grille (cricket) was a series of self propelled artillery vehicles. The Grille SPG was based on the Czech Panzerkampfwagen 38(t) tank and used a. ... photos of World WarOn 2 September 2006 the 138th Field Artillery Brade was redesnated as the 138th Fires Brade. On 7 July 2007, Soldiers of the 138th Fires Brade were mobilized to Fort Sill, OK