First Rockoon (balloon-launched rocket) launched from icebreaker Eastwind off Greenland by ONR group under James A. Van Allen. Rockoon low-cost technique was conceived during Aerobee firing cruse of the Norton Soun in March 1949, and was later used by ONR and University of Iowa research groups in 1953-55 and 1957, from ships in sea between Boston and Thule, Greenland. References: 17 .

First launch of production quality assurance test series. References: 283 , 344 .

First stand tests of production 8D51 engines began on 15 August 1952.

Launched 00:33 local time. Reached 78.2 km. Carried composition, pressure, magnetic field, solar radiation; cosmic radiation (National Institute of Health); sky brightness (Air Research and Development Command) experiments for Naval Research Lab. V-2 number TF-2 was flown as contractor vehicle 59.

Ionosphere research. Launched at 1153 local time. Altitude not reported; possible failure.

Solar radiation research. Launched at 0749 local time. Reached 99 km.

14th and last launch in quality assurance testing. 12 of the 14 reached their targets. References: 283 , 344 .

Launched 08:49 local time. Reached 27.1 km. Carried temperature, composition; cosmic radiation (National Institute of Health) experiments for Signal Corps Engineering Lab, University of Michigan. V-2 number TF-4 never flown.

Temperature, winds research. Launched at 2050 local time. Reached 117.5 km.