Lineage. Constituted as 959 Diagnostics and Therapeutics Squadron on 5 Mar 1998. Activated on 1 Apr 1998. Redesignated as 59 Pharmacy Squadron on 31 May 2007. Assignments. 59 Diagnostics and Therapeutics (later, 59 Clinical Support) Group, 1 Apr 1998-.Stations. Lackland AFB, TX, 1 Apr 1998-.Service