Marines with the engineer platoon for Marine Wing Support Squadron 272, construct an observation post aboard the Combat Center during Integrated Training Exercise 5-17, July 29, 2017. MWSS-272 is supporting the Aviation Combat Element of the ITX. The ACE conducts offensive, defensive, and all other air operations to support the MAGTF mission . (U.S. Marine Corps photo by Cpl. Medina Ayala-Lo) - Marines with the engineer platoon for Marine Wing Support Squadron 272, construct an observation post aboard the Combat Center during Integrated Training Exercise 5-17, July 29, 2017. MWSS-272 is supporting the Aviation Combat Element of the ITX. The ACE conducts offensive, defensive, and all other air operations to support the MAGTF mission . (U.S. Marine Corps photo by Cpl. Medina Ayala-Lo)