R . Ryan Corporal R . Ryan was a member of the MACO force assigned to during its Delphic Expanse mission and afterwards . He was a sniper . Service record . In September of 2153 , Ryan accompanied Lieutenant Malcolm Reed and Major Hayes on a mission to the trellium mining planet to rescue Captain Jonathan Archer , Commander Tucker , and Kessick . Following a directive from Hayes , Ryan sniped the foreman of the planet ' s north mine , using the targeting scope on his particle rifle . ( ) Later that month , he assisted in an unsuccessful effort to stop a group of Osaarian s from boarding and looting " Enterprise " . He threw a stun grenade when discovering the pirates inside armory but the Osaarians beamed aboard . ( ) Ryan was part of S . Money ' s MACO team which took position near one of the airlock s when a Xindi - Reptilian warship docked and a Xindi - Reptilian boarding party blew off the hatch . Ryan and the other MACO opened fire but had to withdraw . When Money was hit by an energy discharge , Ryan helped her get around the next corner . ( ) " In an alternate timeline , Ryan , along with W . Woods and B . Moreno , fended off a Xindi - Reptilian boarding party , killing one of the invaders during the battle . " ( ) In November 2153 , Ryan was confined to some quarters by a group of Triannon who took over " Enterprise " . Later , he assisted Captain Archer retake the ship and fired at some Triannon in engineering . ( ) Ryan and Corporal Chang guarded the entrance to a crash land ed Xindi - Insectoid starship on which Captain Archer tried to hatch the vessel ' s youth . Both MACOs denied T ' Pol access to the Xindi - Insectoid hatching chamber . ( ) Ryan was also among numerous crew members who , in " Enterprise " s launch bay , listened to Captain Archer deliver a speech in remembrance of all the crew members who had lost their life in the Delphic Expanse . ( ) In 2154 , when " Enterprise " was confronted with a " future version " of itself , Ryan guarded discussions between Captain Archer , Lorian , and Karyn Archer in the ship ' s conference room . ( ) On February 13 , 2154 , Lieutenant Malcolm Reed asked the MACOs for volunteers to join the mission to board the Xindi weapon . All the MACOs volunteered , including Ryan . Though Reed chose Romero , M . Forbes , and W . Woods for this assignment , Ryan later defended " Enterprise " from a boarding group of Sphere - Builder s . ( ) Corporal Ryan was one of several MACOs who welcomed Arik Soong aboard " Enterprise " and escorted him to the vessel ' s brig . ( ) The same year , Ryan and W . Woods arrested Lieutenant Malcolm Reed because of treason . They brought him into the ship ' s brig while " Enterprise " s crew also had to deal with Klingon Augment s . ( ) Corporal Ryan and Private Woods accompanied Captain Archer and Lieutenant Reed on board Harrad - Sar ' s barge , where Harrad - Sar offered them drinks and food . Like every other male present , Ryan was hypnotized by the performance of three Orion slave girl s – D ' Nesh , Maras , and Navaar . ( ) Appendices . Background information . Ryan was played by regular background actor Jason Collins in almost all of his appearances , except his last two , where he was played by background actor Aaron White . This character ' s first initial , " R , " can be read off his name tag in episodes such as and . Ryan was initially absent from the final draft script of " The Xindi " , as his act of sniping the foreman on the trellium mining planet was originally written , as of , for Major Hayes to do . As of 10 September of that year , however , the character in this scene was simply referred to as " a sharpshooter " , in the episode ' s final draft script . A costume with the name tag E . Hamboyan , which was sold off on the " It ' s A Wrap ! " sale and auction on eBay , included a belt with the name tag " Jason " , indicating use by Jason Collins . Apocrypha . Taking its cue from an early draft of the script for " The Xindi " , that episode ' s novelization ( included in the book " " , together with the novelization of ) does not feature Ryan either , with Hayes instead assuming his act of shooting the foreman .