Lineage. Established as 959 Medical Group on 1 Nov 2012. Activated on 16 Nov 2012. Assignments. 59 Medical Wing, 16 Nov 2012-.Stations. Joint Base San Antonio-Fort Sam Houston, TX, 16 Nov 2012-.Service Streamers. None.Campaign Streamers. None.Armed Forces Expeditionary Streamers. None.Decorations.