Lifting weights is not enough, not when you are trying to be in your best shape. To be able to do so, combining different work out is a big help. One of the best combinations is a strength and endurance work out called spec ops leg. Unlike other workouts, spec ops leg comes with cardio options that you need in special ops training, making it very helpful when preparing for something.
Source: https://www.military.com/military-fitness/workout-of-week-spec-ops-leg-lift-and-cardio-day