Destroy an air vehicle with a rocket launcher while parachuting

What you will need:
Angel Specialist
Two loadout slots (one with Soflam Gadget & one with Recoilless M5 Gadget)

Step 1: Get to high ground to parachute off (equip Soflam loadout as Angel specialist)
Step 2: Drop a Loadout Crate next to you once you are on high ground
Step 3: Scan an air vehicle with the Soflam
Step 4: Quickly swap to Recoilless M5 loadout from your Loadout Crate
Step 5: Jump off and parachute
Step 6: Get out your Recoilless M5 and lock onto the air vehicle you just soflam'd

Easiest way to complete this achievement :)