this award was originally known as the Conspicuous Service Cross and was issued for gallantry in presence of the enemy to warrant and subordinate officers of the RN who were ineligible (on account of their rank) for the Distinguished Service Order

The Air Force Cross is awarded for gallantry in the air during non-operational flying duties

Knight Grand Cross or Dame Grand Cross of the Most Excellent Order of the British Empire

the Air Force Cross was awarded to officers of the Royal Air Force and other qualifying air services for exemplary conduct and gallantry whilst flying outside combat operations

the Air Force Cross was awarded to officers and certain ranks serving in the Royal Air Force and associated air services

2nd Award Bar for DFC AFC DFM AFM (plated) gsm 1962 this award was originally knownA second award bar ornamented by an eagle may be issued to DFC, AFC, DFM & AFM holders performing a further act of such valour which would have merited an award.