Cmdr. Tamara Lawrence, the secretary's spokeswoman, said it was a natural selection because Obama embodies "the qualities we hold dear in the military" - a sense of service and selflessness.
Q-and-A on Michelle Obama's visit to Rhode Island →
Some say they understand, others say it is not a big deal to buy cigarettes elsewhere, and others worry about it affecting their right to smoke, she said.
Navy considers banning tobacco sales on bases →