Army commander Lieutenant General Ranbir Singh on Wednesday visited the Siachen warriors protecting the frontiers of the country at the World's highest battle field."Lieutenant General Ranbir Singh, General Officer Commanding in Chief Northern Command today visited and interacted with the troops deployed on the highest battlefield in the world," Defence Ministry spokesman Lieutenant Colonel Devender Anand said here today.He was accompanied by Lieutenant General Y.K. Joshi, General Officer Commanding, Fire and Fury Corps, he said."The Army Commander appreciated the high level of operational preparedness being maintained by the troops deployed in Siachen Glacier despite the extreme harsh weather conditions where temperatures are dipping below minus 30 degrees."Earlier, the Army Commander also reviewed the operational preparedness of mechanised and aviation units deployed in the Ladakh sector."He urged all ranks to continue to uphold the highest standards of professionalism and dedication to duty against all odds".