This is a weapons missions that requires you to kill 50 enemies using the Howitzer Gun. But you must kill enemies from a distance and obviously, you must have the Howitzer Gun to complete this mission. There is no time limit for this mission and collecting the medals dropped by your targets is not necessary.
"Kill 50 enemies at long range using only the Howitzer Gun."
- Use the Camping tactic.
- Shoot from a higher ground.