1. A military force assembled and deployed to invade and occupy enemy territory
The invasion force landed on the beaches at dawn.
A força de invasão desembarcou nas praias ao amanhecer.
2. Military personnel, equipment, and support systems organized for a coordinated attack on a foreign territory
The invasion force consisted of thousands of soldiers and hundreds of vehicles.
A força de invasão consistia em milhares de soldados e centenas de veículos.