having been promoted to brigadier general on 29 august 1916 and to major general on 29 august 1918, littleton w. t. waller sr. closed out his active duty in the marine corps as commander of the advanced base force at philadelphia navy yard from 8 january 1917 until his retirement in june 1920. according to the entry in webster's american military biographies, l.w.t. waller was "reputed to have taken part in more actions than any other marine officer of the period."