If you’ve been following Miller (sex offender registration issues) and Denedo (immigration issues similar to Padilla)(link to SCOTUSWiki documents), you’ve been following Padilla v. Kentucky.
Here’s a link to United States v. Miller, 63 M.J. 452 (C.A.A.F. 2006).
Here’s a link to an LA Times editorial on Padilla.
Here’s a link to Padilla on SCOTUSWiki.
See also the Coast Guard case of United States v. Molena.
Here’s a link to posts on collateral consequences.