Lance Cpl. Brandon Ehret, a Company E, 2/25 rifleman, uncovers a hidden trap door leading to a weapons cache under the floor of a bedroom during an occupied building search as part of the Search and Tactical Site Exploitation course here June 26, 2008. Training was facilitated by the U.S. Joint Improvised Explosive Device Defeat Organization. - Lance Cpl. Brandon Ehret, a Company E, 2/25 rifleman, uncovers a hidden trap door leading to a weapons cache under the floor of a bedroom during an occupied building search as part of the Search and Tactical Site Exploitation course here June 26, 2008. Training was facilitated by the U.S. Joint Improvised Explosive Device Defeat Organization.