Royal Navy submarine HMS Trenchant has broken through the metre-thick ice of the Arctic Ocean to join two American submarines on major exercise.
New carrier HMS Queen Elizabeth and new tanker RFA Tidespring have met up at sea for the first time to conduct a Replenishment at Sea.
The fourth Astute class submarine, Audacious, which is being built by BAE Systems for the Royal Navy, has completed her first ever dive.
Typhoon aircraft scrambled from RAF Lossiemouth today to monitor two Russian planes approaching UK airspace.
Exclusive footage shows the inside of a British Army Challenger 2 tank as it fires its main gun.
CAE, L3 Technologies, MDA and Ultra, along with BAE and Lockheed Martin have teamed up to offer the Type 26 Frigate to Canada.
Watch an interview with Commander Nath Gray, Royal Navy F-35 pilot - he will be the first pilot to land aboard HMS Queen Elizabeth in 2018.
Watch the successful firing of a Trident ballistic missile by HMS Vigilant during a test launch in the Atlantic Ocean.
Defence Minister Harriett Baldwin announced today that the first firings of the new Sea Ceptor air defence missile have been successfully conducted.