Served on board the U.S.S. Signal, Red River, 5 May 1864. Proceeding up the Red River, the U.S.S. Signal engaged a large force of enemy field batteries and sharpshooters, returning their fire until the Federal ship was totally disabled, at which time the white flag was raised. Although on the sick list, Q.G. Asten courageously carried out his duties during the entire engagement.