Complex sentence: The Sikorsky/Lockheed MH-60R, the NH90/NFH, H-92, AW159 and AW101 were on the short list and a a Request For Proposal was issued on 30 September 2010.
Split into simpler sentences: The Sikorsky/Lockheed MH-60R, the NH90/NFH, H-92, AW159 and AW101. The Request For Proposal was issued on 30 September 2010.