Complex sentence: From November 1995 thru November 1996, a total of five flight tests were conducted, with three failures, including the test conducted on November 15,1995 during which the missile immediately plunged into water as soon as it left the launcher.
Split into simpler sentences: From November 1995 thru November 1996, a total of five flight tests were conducted. Three were failures, including the test conducted on 15 November 1995, during which the missile immediately plunged into the water as soon as it left the launcher.