Summary operating results for each of our business segments were as follows (in millions):


	Quarters Ended				Six Months Ended
	June 25, 2017		June 26, 2016		June 25, 2017		June 26, 2016
Net sales
Aeronautics	$	5,225	$	4,375	$	9,331	$	8,174
Missiles and Fire Control		1,637		1,680		3,126		3,114
Rotary and Mission Systems		3,410		3,303		6,511		6,307
Space Systems		2,413		2,219		4,774		4,350
Total net sales	$	12,685	$	11,577	$	23,742	$	21,945

Operating profit
Aeronautics	$	550	$	478	$	986	$	898
Missiles and Fire Control		268		253		487		474
Rotary and Mission Systems		254		202		362		431
Space Systems		256		340		544		584
Total business segment operating profit		1,328		1,273		2,379		2,387
Unallocated items
FAS/CAS pension adjustment
FAS pension expense		(343)		(251)		(688)		(502)
Less: CAS pension cost		562		473		1,124		948
FAS/CAS pension adjustment		219		222		436		446
Stock-based compensation		(57)		(52)		(101)		(96)
Severance charges		—		—		—		(80)
Other, net ^{(a) (b)}		(5)		(68)		(80)		(124)
Total unallocated items		157		102		255		146
Total consolidated operating profit	$	1,485	$	1,375	$	2,634	$	2,533

Intersegment sales
Aeronautics	$	33	$	39	$	65	$	75
Missiles and Fire Control		85		69		149		144
Rotary and Mission Systems		547		466		986		913
Space Systems		19		36		45		69
Total intersegment sales	$	684	$	610	$	1,245	$	1,201

^(a)

During the six months ended June 25, 2017, we recognized a $64 million charge, which represents our portion of a noncash asset impairment charge recorded by our equity method investee, Advanced Military Maintenance, Repair and Overhaul Center LLC. See “Note 10 – Other” (under the caption “Equity Method Investee Impairment”) for more information.

^(b)	Includes $30 million and $65 million of corporate overhead costs incurred during the quarter and six months ended June 26, 2016 that were previously allocated to our former IS&GS business. See “Note 3 – Divestiture” for more information.

Total assets for each of our business segments were as follows (in millions):


	June 25, 2017		December 31, 2016
Assets
Aeronautics	$	7,631	$	7,896
Missiles and Fire Control		4,463		4,000
Rotary and Mission Systems		18,496		18,367
Space Systems		5,529		5,250
Total business segment assets		36,119		35,513
Corporate assets ^(a)		12,592		12,293
Total assets	$	48,711	$	47,806

^(a)	Corporate assets primarily include cash and cash equivalents, deferred income taxes, environmental receivables and investments held in a separate trust to fund certain of our non-qualified deferred compensation plans.