231. [Apollo 11] FIRST STAGE SEPARATION OF THE MIGHTY SATURN V: propelling humanity's first journey to the Moon in a torrent of flames NASA, 16 July 1969 Printed 1969. Vintage gelatin silver print on fibre-based paper [NASA image 69-H-1170]. With NASA caption numbered "69-H-1170", "69-HC-783", "107-KSC-69PC-415" on the reverse (issued by NASA Kennedy Space Centre, Florida). 20.3 x 25.4 cm. (8 x 10 in.) Historical context Stage one complete—Apollo 11's first step toward the Moon. This photograph captures the dramatic moment of first stage separation during the launch of Apollo 11 on July 16, 1969. Taken at an altitude of approximately 38 miles (55 miles downrange), it showcases the S-IC booster stage falling away in a massive cloud of exhaust while the S-II second stage ignites to continue propelling the spacecraft carrying Neil Armstrong, Buzz Aldrin, and Michael Collins toward orbit. The S-IC first stage burned for 2.5 minutes, generating 7.5 million pounds of thrust before depleting its propellant and being jettisoned. This crucial moment marked the transition from the raw power needed to escape Earth's gravity to the more precise thrust required for orbital insertion—bringing humanity one step closer to its first steps on another world. More than just an engineering milestone, this image embodies the immense complexity of the Apollo program and the precise choreography of spaceflight. The separation event had to be flawless—any failure at this stage could have doomed the mission. The image was taken with a 70mm telescopic camera mounted on an Air Force EC-135N aircraft, specially modified to accommodate the Airborne Lightweight Optical Tracking System (ALOTS). Flying at an altitude between 35,000 and 40,000 feet, the aircraft allowed the ALOTS camera to automatically track the rocket and capture detailed images from over 200 miles away.