An M777A2 howitzer, with Kilo Battery, Battalion Landing Team 3/1, is concealed under camouflage netting during a field exercise with the 11th Marine Expeditionary Unit here June 15. The purpose of the exercise is to prepare the unit for its upcoming deployment. - An M777A2 howitzer, with Kilo Battery, Battalion Landing Team 3/1, is concealed under camouflage netting during a field exercise with the 11th Marine Expeditionary Unit here June 15. The purpose of the exercise is to prepare the unit for its upcoming deployment.