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Flight director Jason Willis and Prasun Desai , EDL trajectory analyst said last night that they are just beginning to review and analyze the data recorded during entry , landing and descent and still have not yet determined if the last minute ' tweaks ' - including opening the parachute earlier , which they said actually opened a bit later than commanded - - made a difference in the landing . Many organizations cautioned that it is still too early to measure donor response because they are just beginning to send out their fund-raising appeals or have additional appeals in the works . He said they were just beginning to study the matter .