YVH 2-1S represents a YVH S-series war droid creation of Tendrando Arms. As a member of the Myrkr strike team, 2-1S participated in the Mission to Myrkr which occurred during the Yuuzhan Vong War in the year 27 ABY. Ultimately, 2-1S met its end in combat, giving his own life to maximize damage to the opposition and preserve the strike team's operational security.