Military Submariners serving on two crew ballistic missile or guided missile boats are eligible to deduct lodging and other expenses when their "Tax Home" (the sub) is unavailable. Sometimes this is called the FBM Deduction. There are many discussions of what exactly is deductible, but this worksheet will work in most situations and make it easy to determine what amounts to enter on various forms or enter into tax prep software. If you find this worksheet useful, and it saves you money on taxes, consider making a donation.
Here are links to instructions for entering the results in popular tax software programs:
2013 Boomer Deduction Instructions for Turbo Tax Online
2013 Boomer Deduction Instructions for H&R Block Online
2013 Boomer Deduction Instructions for Tax Slayer
*You deduct mortgage interest, taxes and mortgage insurance premiums directly on Schedule A
A must read: