What aircraft type is associated with the 1A8X2 specialty proficiency?

The 1A8X2 specialty proficiency is specifically associated with the operation of the AC-130J aircraft. This model is a variant of the C-130 Hercules and is equipped for close air support, armed reconnaissance, and other missions that require heavy firepower and versatility. Aircrew members trained in this specialty are adept at utilizing advanced weapons systems and managing complex avionics integrated into the AC-130J.

In contrast, the other aircraft listed, such as the C-5, KC-135, and C-37A, belong to different specialties within airlift, refueling, and executive transport operations respectively, and do not encompass the specific training and missions related to the 1A8X2 proficiency area. Understanding the unique capabilities and roles of each aircraft type helps clarify why the AC-130J aligns with this specialty.