Joint Service Small Arms Program
The Joint Service Small Arms Program', usually just called JSSAP was a program run by the Air Force to select a 9mm Parabellum pistol in the late 1970s and the turn of the decade. Entrants included the Beretta 92S-1, Colt SSP, Smith & Wesson 459, FN DA, FN FA, FN High Power, Star M28, Heckler & Koch P95 and H&K VP70. The Beretta would be declared the winner, but the Army would contest the results. DOD then gives the job to the Army starting in 1981.
The first Army test resulted in all pistols failing. The standards are lessened and a retest is done, but again, none pass.
By 1983 a new program is started, now called under the XM9 name. These service pistol trials would result in adoption of the Beretta 92F as the M9 Pistol. Note that these later trials did not all have the same pistols competing.
Controversy over these trials lead to the XM10 trials- but these were boycotted by some makes, and resulted in the 92F again in any case.
One of the loosers from the trial SIG-Sauer, would have a model adopted in the form of the M11 Pistol in a later competition, though this was not for a joint service handgun.
In the 2000s, a new joint servies handgun was started, the Joint Combat Pistol which was actually the result of a merger of two earlier programs.