From wind farms in the North Sea to the gleaming uniforms of a parade, these images show the reality of life for UK servicemen and women based around the globe.
We look back at some of the most memorable images captured by service and Ministry of Defence civilian photographers in 2017.
Sgt Rupert Frere RLC - The Garrison Sergeant Major talks to a colleague ahead of the parade at the National Act of Remembrance at the Cenotaph in Whitehall
They show a wide variety of subjects, locations and includes service personnel, their friends and family and even members of the Royal family.
Sgt Ralph Merry - A Royal Air Force A400M Atlas from LXX Sqn based at RAF Brize Norton and two Typhoon FGR4 aircraft from No.II(AC) Sqn, RAF Lossiemouth, take part in a Flypast over Brussels, Belgium, to mark the NATO summit on May 25 2017
Cpl Tim Laurence - From the Royal International Air Tattoo held at RAF Fairford, July 2017 July. During a display rehearsal, The Red Arrows gave the opportunity for the pilots of the USAF Thunderbirds, to have a flight in the back seat of their Hawk T1 jets
Harland Quarrington - members of the armed forces look on during the Service of Dedication of The Iraq and Afghanistan Memorial
The King's Troop Royal Horse Artillery left the noise and confines of London for equestrian and military training in the north Norfolk coast and the rural idyll of Bodney Camp
Sgt Rupert Frere -
The King's Troop Royal Horse Artillery's
heart-stopping Musical Drive, in the show's Castle Arena.
Soldiers from the Household Cavalry Mounted Regiment and The King's Troop Royal Horse Artillery are thrilling audiences at the Royal Windsor Horse Show
Sgt Jamie Peters - Relatives were invited to Weeton Barracks, near Blackpool to cheer personnel of the 2nd Battalion, The Duke of Lancasters Regiment, home after six months of deployments across three continents. The weather failed to live up to the celebratory mood and the parade took place in torrential rain
WO2 Daniel Harmer RLC - LCpl Yassen from the Band of the Rifles plays Last Post in 13 recognisable location around the UK.
Here he is at Stonehenge
SAC Nicholas Egan RAF - Two Mk6 Chinooks crewed by 7 Sqn, based out of RAF Odiham, head out over North Sea wind farms during a low level insertion to retrieve a downed pilot during a rotary training exercise
LPhot Caroline Davies - HMS Ocean, the Royal Navys Fleet Flagship, returns to her base port of Devonport following a period of six-and-a-half months on operations
