B-2 vs B-21 underside view comparison, may not be up to scale. Posted by @AlexHollings52 on Twitter.
![F-mXhyqWMAAHBUX.jpeg F-mXhyqWMAAHBUX.jpeg](https://www.sinodefenceforum.com/data/attachments/114/114869-048f33dd5e7b1dc5051a40a4b4397231.jpg)
![F-mBgg7XEAAjRda.jpeg F-mBgg7XEAAjRda.jpeg](https://www.sinodefenceforum.com/data/attachments/114/114870-f54c979650e45f488ca58619de8212f8.jpg)
#3 is definitely the weapons bay.
#1 and #5 is certainly the access hatches to the engines, which are same as those on the B-2.
That leaves #2 and #4 as unknowns.
![F-mXhyqWMAAHBUX.jpeg F-mXhyqWMAAHBUX.jpeg](https://www.sinodefenceforum.com/data/attachments/114/114869-048f33dd5e7b1dc5051a40a4b4397231.jpg)
Those exhaust ports are very slim! Also, with those underside photos is it possible to estimate the size of the bombay and maybe even load?
![F-mBgg7XEAAjRda.jpeg F-mBgg7XEAAjRda.jpeg](https://www.sinodefenceforum.com/data/attachments/114/114870-f54c979650e45f488ca58619de8212f8.jpg)
#3 is definitely the weapons bay.
#1 and #5 is certainly the access hatches to the engines, which are same as those on the B-2.
That leaves #2 and #4 as unknowns.