Singapore Technologies Aerospace has awarded Derco Aerospace (Hall 3, D3) a contract for the installation of Auxiliary Power Units (APU) and improved Environmental Controls Systems (ECS) on four Republic of Singapore air force Lockheed Martin C-130 aircraft.
In addition to the systems, Derco will also provide programme management, training, technical documentation and technical support required for the APU and ECS upgrades.

Source: Flight Daily News