In 1889, he made captain, and was dispatched with a small escort of Gurkha soldiers to investigate an uncharted region north of Ladakh, where raiders from Hunza had disrupted trade between Yarkand and India the previous year. Whilst encamped in the valley of the Yarkand River, Younghusband received a messenger at his camp, inviting him to dinner with Captain Bronislav Grombchevsky, his Russian counterpart in The Great Game. Younghusband accepted the invitation to Grombchevsky's camp, and after dinner the two rivals talked into the night, sharing brandy and vodka, and discussing the possibility of a Russian invasion of British India. Grombchevsky impressed Younghusband with the horsemanship skills of his Cossack escort, and Younghusband impressed Grombchevsky with the rifle drill of his Gurkhas. After their meeting in this remote frontier region, Grombchevsky resumed his expedition in the direction of Tibet and Younghusband continued his exploration of the Karakoram.