Submarine defense: Russian subs posing Pacific threat to US Navy. Military & Defense. March 18, 2016, 13:28 UTC+3. Ahead of Submariner Day marked on March 19 in Russia, TASS reviews Russian submarines that cause the US Navyâs greatest concern in the Pacific region.
What iceberg lettuce lacks in flavor it makes up for in crispness, versatility and storage length -- washed and stored correctly, a head of iceberg lettuce can last up to seven days in the refrigerator.
Dry lettuce well before using in the wraps. To keep iceberg lettuce crisp, cut the core out. Fill the core with cold tap water, then drain for 15 minutes. It will stay crisp for up to two weeks in the refrigerator.