This Axim Pocket PC by Dell was a personal digital assistant used by loadmasters to assist them in their duties. It ran on the Windows Mobile Operating System. On the cover is a 9th Airlift Squadron (AS) decal.
The donor, Edward L. Renneckar, was a loadmaster assigned to the 9th AS at Dover AFB, Delaware, which flew C-5A/B Galaxy aircraft. Today the 9th flies the C-5M Super Galaxy.