Participating in Singapore Armed Forces (SAF) 'Exercise Wallaby 2015' include a pair of Boeing CH-47SD Chinook, five Boeing AH-64D Apache and six Aerospatiale AS-332M1 Super Puma helicopters, aswell as six General Dynamics (Lockheed Martin) F-16D Block 52+ Fighting Falcon's, and a lone Lockheed C-130H Hercules transport aircraft.
Over the years, the Apache has been built by a number of manufactuers :
Hughes Helicopters (1975 to 1984)
McDonnell Douglas (1984 to 1997)
Boeing Defence, Space and Security (1997 to present)
and under license in the United Kingdom (UK) as the AgustaWestland Apache.