Complex sentence: In 2005, Akenhead left the BYU Rugby program and Smyth once again assumed head coaching responsibilities, with Kimball Kjar, Wayne Tarawhiti, Brian Westenskow, Justen Nadauld, and Jeff Hullinger as assistant coaches.
Split into simpler sentences: In 2005, Akenhead left the BYU Rugby program. Smyth would once again assume head coaching responsibilities with Kimball Kjar, Wayne Tarawhiti, Brian Westenskow, Justen Nadauld, and Jeff Hullinger as assistant coaches.