JSC2000-E-22832 (13 September 2000) --- Gary Ford intently watches a monitor at the Assembly and Checkout Officer (ACO) console in Houston's Mission Control Center (MCC). The ACO is responsible for station assembly, activation and checkout operations.

NASA New Horizons Long Range Reconnaissance Imager LORRI observed Neptune on June 23, apl2010, as part of a test of the critical optical navigation Annual Checkout ACO-4.

JSC2001-E-04270 (7-20 February 2001) --- Assembly and checkout officer (ACO) Thomas C. Miglin monitors data at his console in the station flight control room (BFCR) in Houston's Mission Control Center (MCC) during the STS-98/5A mission.

JSC2001-E-25131 (16 August 2001) --- ISS flight director Mark Ferring (seated), assembly checkout officer (ACO) Jim Ruhnke and astronaut Stephanie D. Wilson, ISS spacecraft communicator (CAPCOM), discuss the progress of the extravehicular activities at their consoles in the station flight control room (BFCR) in Houston’s Mission Control Center (MCC). Operations support officer (OSO) Ted Kenny is in the background participating in the discussion over the voice loops. At the time this photo was taken, mission specialists Daniel T. Barry and Patrick G. Forrester were performing the first of two scheduled space walks during Discovery’s voyage to the International Space Station (ISS).

NASA’s C-20A with Generation Orbit’s hypersonic testbed attached is chased by the agency’s F-18 jet for safety and photography.

In the skies above NASA Armstrong in Southern California, Generation Orbit’s hypersonic pod is flight tested on agency C-20A.

NASA’s C-20A with Generation Orbit’s hypersonic pod attached undergoes flight test overs skies of Armstrong Flight Research Center.