Four Beechcraft T-6 Texan IIs of the Israeli Air Force's aerobatic flight demonstration team execute a formation loop during the Israeli Air Force's 167th class pilot graduation at the Hatzerim Air Base in Be'er Sheva, southern Israel, on Dec. 26, 2013. The Israeli Air Force welcomed into its ranks a new batch of pilots, with the country's political and military leaderships on hand to congratulate here on Thursday. (Xinhua/IDF/Judah Ari Gross)  

A new batch of graduated pilots march during the 167th class graduation at the Hatzerim Air Base in Be'er Sheva, southern Israel, on Dec. 26, 2013. The Israeli Air Force welcomed into its ranks a new batch of pilots, with the country's political and military leaderships on hand to congratulate here on Thursday. (Xinhua/IDF/Judah Ari Gross)

An Apache helicopter gunship releases decoy flares during an air show highlighting the Israeli Air Force's 167th class pilot graduation at the Hatzerim Air Base in Be'er Sheva, southern Israel, on Dec. 26, 2013. The Israeli Air Force welcomed into its ranks a new batch of pilots, with the country's political and military leaderships on hand to congratulate here on Thursday. (Xinhua/IDF/Judah Ari Gross)