Rogue One: A Star Wars Story continues to have set work done at Cardington. Our friend Trevor sends us some photos he has posted:

https://twitter.com/CardingtonSheds/status/633728197947953152

"It's a Tarp" what's under the tarp at Shed 2 Cardington on the #starwars #rogueone set pic.twitter.com/m6Nx3rjPws — ℂ𝔸ℝ𝔻𝕀ℕ𝔾𝕋𝕆ℕ 𝕊ℍ𝔼𝔻𝕊 (@CardingtonSheds) August 18, 2015

https://twitter.com/CardingtonSheds/status/633695273395556352

https://twitter.com/CardingtonSheds/status/633369582103830529

Another source mentioned:

Shoot at Cardington begins this week. Airfield shoot has wrapped, but likely to return late September after location shoots out in U.K.

I love the smell of Star Wars production updates in the morning!

Update:

X-wing?