The phrase "a decade of assisting" is correct and usable in written English.
You can use it to describe a period of ten years spent helping or providing support in a particular context or field.
Example: "After a decade of assisting various non-profit organizations, she decided to start her own charity."
Alternatives: "ten years of support" or "a ten-year period of aid".
US police have made good use of robots for more than a decade to assist in bomb disposal, hostage release, shootouts, surveillance and intelligence gathering.
A small controversy emerged among progressive queers this April when it was revealed that ACT UP one of the most influential HIV/AIDS activist groups in history, which has long taken an anti-Wall Street stance was accepting money from Credit Suisse, a bank that pled guilty in 2014 to decades of assisting tax evasion.
Born in 1958, Perkins had a six decade life of assisting high need students with its subsidized low interest rate of 5%, extended 9 month grace period and flexible repayment terms.
WASHINGTON — A frank evaluation by the World Bank's internal auditors of a decade of efforts to help East Timor underscores the challenges facing international organizations attempting to assist struggling nations.
So Dr. Stanford did what she was trained to do in more than a decade of experience as a doctor — she began to assist her.
Hernandez, AF, Grab, JD, Gammie, JS, O'Brien, SM, Hammill, BG, Rogers, JG, Camacho, MT, Dullum, MK, Ferguson, TB, and Peterson, ED. "A decade of short-term outcomes in post cardiac surgery ventricular assist device implantation: data from the Society of Thoracic Surgeons National Cardiac Databasee". Circulation 116, no.
With close to a decade of media production experience, Kimberly was an obvious choice to assist.
"Art of the Samurai" represents a decade of work by Morihiro Ogawa, special consultant for Japanese arms and armor at the Met; he was assisted by Donald J. La Rocca, curator of the museum's arms and armor department.
A Decade of the Human Genome".
