SOPGM - What does SOPGM stand for? The Free Dictionary
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14) The SOPGM QRC met a critical battlefield need, fielding the first-of-a-kind SOF airborne weapon in under 11 months.
14) 2008 David Packard Excellence in Acquisition Award nomination, USSOCOM SOPGM Quick Research Capability Team, 1.
The idea is apparently to carry at least ten tube-launched Sopgms on fuselage-mounted pylons, and reload the system in flight (presumably from an underfloor magazine) while retaining cabin pressurisation.