Original sentence: In April 2008, a £90m contract was signed with Boeing for  a "quick fix" solution, so they can fly by 2010: QinetiQ will downgrade the Chinooks - stripping out some of their more advanced equipment.Its members train on weekly evenings and monthly weekends, as well as two week exercises generally annually and occasionally bi-annually for troops doing other courses.The TA provides a small percentage of the UK's operational troops
Edited sentence: In April 2008, a £90m contract was signed with Boeing for  a "quick fix" solution, so the helicopters can fly by 2010.Its members train on weekly evenings and monthly weekends, as well as participating in two week exercises generally annually and occasionally bi-annually for troops doing other courses.QinetiQ, with Boeing's parts and advice, will downgrade the Chinooks by stripping out some of their more advanced equipment, essentially turning them into copies of their lower cost HC2 specification counterparts.The TA provides a small percentage of the UK's operational troops, but makes up about a quarter of the overall manpower strength of the British Army