The Royal Netherlands Air Force (RNLAF) signed an agreement with Boeing. Under the agreement, Boeing will provide maintenance and spare parts to the AH-64 Apache and CH-47 Chinook helicopters in the RNLAF inventory.

The program, called COHESU (Combined Helicopter Support Services), was signed during the Royal International Tattoo. Agreement aims to maintain the availability of the helicopters of the Netherlands.

COHESU is a performance-based procurement program for Apache and Chinook components. With this program, Boeing offers providing comprehensive maintenance and repair, overhaul, transactional repair and overhaul, necessary equipment and spare parts supply. Royal Netherlands Air Force has 28 AH-64D Apache, 11 CH-47D and 6 CH-47F Chinook helicopters in the inventory. The Netherlands and Boeing have co-operation since 2014 for technic support programs for these helicopters.