This term refers to a military force that is deployed from an airborne platform, such as an aircraft or a helicopter, to secure a ground objective.

Here are some other related terms:

* Airborne assault: A military operation where troops are transported by air and land on an objective.

* Paratroopers: Soldiers trained to jump from aircraft and land on the objective.

* Helicopter assault force: A military force that uses helicopters to transport troops to the objective.

It's important to note that the term "dismount force" is less common than "landing force". The term "dismount" often refers to troops getting off of a vehicle, while "landing force" specifically refers to a force that is deployed from an airborne platform.