He flew many operational sorties against the Chinese in the Korean War for which he was awarded the Distinguished Flying Cross.

[1] After the Korean War ended, Chesworth became a Flying Instructor on Percival Provost at RAF Hullavington.

He then went to RAF Kinloss as a Shackleton Instructor and finally back to squadron life as a Flight Commander with No.

[9] In the 1972 New Year Honours, the then Wing Commander Chesworth was appointed Officer of the Order of the British Empire (OBE).

[10] On 11 October 1982, he was appointed Companion of the Order of the Bath (CB) "in recognition of service within the operations in the South Atlantic".

2622 (Highland) Squadron Royal Auxiliary Air Force Regiment based at RAF Lossiemouth in 2001.