 Complete the following phrase:  The Infantry Regiment Asturias No. 31 Spanish: Regimiento de Infantería Asturias no 31 is a mechanized infantry unit in the Spanish Army. It was created in the Kingdom of Asturias on 6 July 1703. Its first commander was Álvaro Navia Osorio y Vigil, Viscount of Puerto de Vega and Marquis de Santa Cruz de Marcenado. The regiment initially consisted of 600 men. It was also known as El Cangrejo The Crab, a name which it obtained following the 