2 ) ▁ ▁H oney ▁( 2 0 0 3 ) ▁ ▁After ▁the ▁Sun set ▁( 2 0 0 4 ) ▁ ▁References ▁ ▁External ▁links ▁ ▁Category : American ▁film ▁edit ors ▁Category : L iving ▁people ▁Category : Place ▁of ▁birth ▁missing ▁( l iving ▁people ) ▁Category : Year ▁of ▁birth ▁missing ▁( l iving ▁people ) <0x0A> </s> ▁The ▁TR - 1 0 7 ▁was ▁a ▁development al ▁ro cket ▁engine ▁designed ▁in ▁ 2 0 0 2 ▁by ▁North rop ▁Gr um man ▁for ▁NASA ▁and ▁Do D ▁fund ed ▁Space ▁La unch ▁In iti ative . ▁ ▁Oper ating ▁on ▁LO X / R P - 1 ▁the ▁engine ▁was ▁thro tt le able ▁and ▁ ▁had ▁a ▁thrust ▁of ▁ ▁at ▁a ▁chamber ▁pressure ▁of ▁, ▁making ▁it ▁one ▁of ▁the ▁most ▁powerful ▁engines ▁ever ▁constructed . ▁ ▁History ▁ ▁The ▁TR - 1 0 7 ▁was ▁built ▁by ▁TR W ▁following ▁the ▁successful ▁conclusion ▁of ▁the ▁development ▁program ▁for ▁the ▁ ▁TR - 1 0 6 ▁engine , ▁a ▁similar ▁thro tt le able ▁engine ▁of ▁about ▁half ▁the ▁thrust ▁burning ▁LO X / L H 2 ▁instead ▁of ▁LO X ▁/ ▁R P - 1 . ▁ ▁Tom ▁Mu eller , ▁then ▁V P ▁of ▁Prop ulsion ▁Development ▁at ▁North rop , ▁was ▁project ▁manager ▁for ▁both ▁the ▁TR - 1 0 6 ▁and ▁TR - 1 0 7 ▁engines . ▁▁ ▁In ▁ 2 0 0 2 , ▁Mu eller ▁co -