Here's my rough draft for a DefCon Checklist. This would used in conjunction with the commercial websites: www.defrconwarningsystem.com & defcon warninglevel.com (no affiliation with either).

DefCon CHECKLIST

DefCon 5 (normal Living):
Stay abreast of current events

DefCon 4 (72hr warning):
Update Bug in & Bug out Plans
Monitor Current Events

DefCon 3 (48hr warning):
Monitor Current Events
General: cancel all planned vacations, scheduled events except for medical requirements,

Load camper with potable water, 4 sets of clothes for each person, additional camping gear/supplies, portable lift, DD1 hygiene supplies, Intel files,

Load truck with cargo rack/chairs, genset, propane fuel, battle rattle, 2 day hiking packs,

Move into home: MOPP Gear, emergency food stores,
Prep for relocating: financial records,

DefCon 2 (24 hr warning):
Monitor Current Events
General: top off all gas tanks and cans,

Move to Camper: all emergency cash, financial records, ready hygiene supplies for DD1. All emergency meds, field FAK's, load bicycle,

Home: box all food supplies, Clean all weps, move camper stove & fuels into home, relocate air filtration to home, bring older lift inside,

DefCon 1 (Nuclear attack imminent):
Monitor Current Events
General:

Truck: Load gas stocks,

Home: install air filtration system, have weps ready for skirmishing, construct in home shelter in Living room,

Camper: standing by in case bugging out becomes necessary

Copy and modify this checklist as you wish to fit your own situation and needs. Disseminate as you wish.