Royal Norwegian Air Force in the context of "Hjalmar Riiser-Larsen"

The Norwegian Armed Forces (Norwegian: Forsvaret, lit. 'The Defence') are the armed forces responsible for the defence of Norway. It consists of five branches, the Norwegian Army, the Royal Norwegian Navy, which includes the Coast Guard, the Royal Norwegian Air Force, the Home Guard, and Norwegian Cyber Defence Force as well as several joint departments.

The military force in peacetime is around 17,185 personnel including military and civilian staff, and around 70,000 in total with the current military personnel, conscripts and the Norwegian Home Guard in full mobilization.

Oslo Airport (IATA: OSL, ICAO: ENGM) — alternatively referred to as Oslo Gardermoen Airport or simply Gardermoen — is an international airport serving Oslo, the capital and most populous city of Norway. The airport is the second largest in Scandinavia and the Nordics. A hub for Scandinavian Airlines and an operating base for Norwegian Air Shuttle, Norse Atlantic Airways and Widerøe. In 2025, it is connected to 31 domestic and 164 international destinations.

The airport is located 19 nautical miles (35 km; 22 mi) northeast of Oslo, at Gardermoen at the border of municipalities Nannestad and Ullensaker, in Akershus county. It has two parallel roughly north–south runways measuring 3,600 metres (11,811 ft) and 2,950 metres (9,678 ft) and 71 aircraft stands, of which 50 have jet bridges. The airport is connected to the city center by the high-speed railway Gardermoen Line served by mainline trains and Flytoget. The percentage of passengers using public transport to get to and from the airport is one of the highest in the world at nearly 70%. The ground facilities are owned by Oslo Lufthavn AS, a subsidiary of the state-owned Avinor. Also at the premises is Gardermoen Air Station, operated by the Royal Norwegian Air Force. An expansion with a new terminal building and a third pier opened in late April 2017.