@_TheHMS tweets us last night:
“@PoPville What’s the huge balloon looming in #navyyard? It seems to have landed on #mcdonalds on #southcapitol”
This is very likely the balloon from Air Photos Live, a “Digital Design & Imaging Service” last spotted in March. You can read some background on them after previous sightings here.
Of course it could just be a promotion for Jurassic World/hamburglar water glasses that deflated…