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.
How to Keep Iceberg Lettuce From Getting Brown. Iceberg lettuce provides crunch to burgers and sandwiches. It's also suitable for salad when combined with other lettuce varieties and vegetables. The lettuce leaves begin browning soon after harvest or purchase if not stored properly. Browning occurs from spoilage. Reddish-brown discolorations, called rust, occur when there is too much moisture on the lettuce head. Managing the moisture level during storage prevents both spoilage and rust. Coring the lettuce helps prevent browning.