This heavily modified BAe 125-800 is former N2320J and was modified by Lockheed to RC-800SIG Baekdu. The Signal Intelligence aircraft is assigned to the 39 Reconnaissance Wing, 296 Tactical Reconnaisance Squadron at Seoul and was delivered as 258-342 to the Republic of Korea Air Force on 8 February 2000. It was reserialled to 58-342 in the mid-2000s.