Estate claims for Tech. Sgt. Joshua Lowell Published Nov. 20, 2014 28th Bomb Wing Public Affairs ELLSWORTH AIR FORCE BASE, S.D. -- Capt. Cassandra Cowher, 28th Munitions Squadron operations officer, has been appointed the summary court officer for the estate of Tech. Sgt. Joshua Lowell, 28th Aircraft Maintenance Squadron hydro lead technician. All claims for or against the estate of the deceased must be submitted to the summary court officer. For more information, call Cowher at (605) 385-5534.