Apollo Saturn 105 Spacecraft: (no serial number) Launch Vehicle: 3-stage Saturn C-1 SA-9 Scheduled Launch: 1 Apr 1965 Last Scheduled: 9 Feb 1961

⇑ Mission List ⇑ Designation: Apollo S1-3 L AS(U)-4 Description: 4th Apollo Saturn C-1 boilerplate CSM suborbital, reentry test at near parabolic velocity

In a letter dated 9 February 1961 regarding the SA-9 launch vehicle: "Apollo reentry test at near parabolic velicity." The launch date of April 1965 is interpolated from multiple documents. NASA announced the redesign of the Saturn C-1 as a two-stage launch vehicle on 1 June 1961. References: Unger, J. 1961. "Memorandum to Director, MLVP." 9 February. HSI-16130. Encyclopedia Astronautica. Wikipedia.