POTUS retweet of Dan Scavino. One headstone in video. Arlington National Cemetery 60 - 11257. Here's more info. POTUS Tweet (36 second video) ANC 60-11257 Obituary "His final assignment was as Commander of the 342nd Training Squadron at Joint Base San Antonio-Lackland, Texas, from June 2014 until he was killed on active duty at the base on April 8, 2016. Lt Col Schroeder was posthumously awarded the Airman's Medal, and he will be buried at Arlington National Cemetery." Reported incident "The morning calm at Joint Base San Antonio-Lackland was shattered Friday when an apparent murder-suicide at a classroom building left two men dead, triggered a lockdown and brought a swarm of military, federal and local law enforcement."