He has served as Surgeon - General of the British Armed Forces .
Surgeon Vice Admiral Alasdair James Walker , CB , OBE , QHS , FRCS ( born 22 June 1956 ) , is a British medical doctor and senior Royal Navy officer .
Alasdair James Walker has served as Surgeon - General of the British Armed Forces .
Surgeon Vice Admiral Alasdair James Walker , CB , OBE , QHS , FRCS ( born 22 June 1956 ) , is a British medical doctor and senior Royal Navy officer .